Newt Gingrich criticizes Trump for baseless tweet that 'millions of people' voted illegally

Former House Speaker Newt Gingrich, a top ally to President-elect Donald Trump, criticized the real-estate magnate Tuesday for baselessly tweeting over the weekend that "millions of people" voted "illegally" in an election he won.

SEE ALSO: Reid addresses recount drama with 3 blunt words

In an interview with USA Today, Gingrich said such a tweet "makes you wonder about whatever else he's doing."

"The president of the United States can't randomly tweet without having somebody check it out," Gingrich said, later adding, "It undermines much more than a single tweet."

55 PHOTOS
Donald Trump through the years
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Donald Trump through the years

Donald Trump with Alfred Eisenpreis, New York City Economic Development Administrator. Sketch of new 1,400 room Renovation project of Commodore Hotel.

(Photo by NY Daily News Archive via Getty Images)

Donald Trump pauses in his apartment 5/20 after receiving the news that the Board of Estimate unanimously approved a 40-year tax abatement plan. Under the plan Trump will purchase and refurbish the Commodore Hotel, which closed into doors 5/18, from the Penn Central Transportation Corp. In return for his $10-million-dollar purchase and up to $100 million face-lifting investment, Trump will have no real estate taxes for 40 years.

(Bettmann via Getty Images)

Real estate developer Donald Trump announces intentions to build a $100 million dollar Regency Hotel.

(Photo by John Pedin/NY Daily News via Getty Images)

Donald Trump stands behind architect's model of City Hall Plaza.

(Photo by Frank Russo/NY Daily News Archive via Getty Images)

Donald Trump and Ivana Trump attend Roy Cohn's birthday party in February 1980 in New York City.

(Photo by Sonia Moskowitz/Getty Images)

Donna Mills and Donald Trump during 1983 Annual American Image Awards at Sheraton Center in New York City, New York, United States.

(Photo by Ron Galella, Ltd./WireImage)

Donald Trump attends 38th Annual Horatio Alger Awards Dinner on May 10, 1985 at the Waldorf Hotel in New York City.

(Photo by Ron Galella/WireImage)

Portrait of real estate mogul Donald John Trump (b.1946), smiling slightly and facing to his right, 1983. New York.

(Photo by Bachrach/Getty Images)

Boxing promoter Don King holds up the arms of Mike Tyson and former champion Larry Holmes during a press conference here 12/1. Looking on is Donald Trump. The fight will be held at the Trump Plaza Hotel.

(Bettmann via Getty Images)

Donald Trump, real estate mogul, entrepreneur, and billionare poses in the foyer of his home in August 1987 in Greenwich, Connecticut.

(Photo by Joe McNally/Getty Images)

Donald Trump Jr. and Donald Trump during 1988 U.S. Open - September 3, 1988 at Flushing Meadows Corona Park in Queens, New York, United States.

(Photo by Ron Galella, Ltd./WireImage)

Ivana Trump and Donald Trump during Mike Tyson vs Michael Spinks Fight at Trump Plaza - June 27, 1988 at Trump Plaza in Atlantic City, New Jersey, United States.

(Photo by Ron Galella/WireImage)

Billionaire Donald Trump and his wife Ivana arrive 04 December 1989 at a social engagement in New York.

(Photo credit should read SWERZEY/AFP/Getty Images)

Donald Trump and Daughter Ivanka Trump during Maybelline Presents 1991 Look of the Year at Plaza Hotel in New York City, New York, United States.

(Photo by Ron Galella/WireImage)

Donald Trump attends 'Hoop-La' Special Olympics Basketball Game on June 25, 1992 at the Plaza Hotel in New York City.

(Photo by Ron Galella/WireImage)

Donald Trump and Joan Rivers during Opening of The Rose Room in the Plaza Hotel at Plaza Hotel Rose Room in New York City, New York, United States.

(Photo by Ron Galella, Ltd./WireImage)

Donald Trump touches 07 April 1993 Marla Maples stomach to confirm published reports that the actress is pregnant with his child. The two arrived for Maples appearance in the Broadway musical 'The Will Rogers Follies'.

(HAI DO/AFP/Getty Images)

US business tycoon Donald Trump enters the PLaza Hotel in New York past supporters 21 December 1994. Hundreds of supporters showed up at a news conference where Trump denied a New York newspaper report that the Sultan of Brunei had bid 300 million USD to buy the Manhattan hotel.

(Photo credit should read DON EMMERT/AFP/Getty Images)

Donald Trump and Christine Whitman during Opening of New Warner Bros. Store in Trump Plaza Casino at Trump Plaza Casino in Atlantic City, New Jersey, United States.

(Photo by Ron Galella/WireImage)

Donald Trump attends Marc Jacobs Fashion Show on April 4, 1995 at the Plaza Hotel in New York City.

(Photo by Ron Galella/WireImage)

Boxing: IBC Heavyweight Title: View of celebrity businessman Donald Trump and actor Steven Seagal seated ringside during Lennox Lewis vs Tommy Morrison fight at Boardwalk Convention Hall. Atlantic City, NJ. (Photo by John Iacono /Sports Illustrated/Getty Images) 

New York real estate giant Donald Trump poses in his Trump Tower office on a giant letter 'T' on May 8, 1996.

(TIMOTHY A. CLARY/AFP/Getty Images)

Portrait of Marla Maples and her husband, businessman Donald Trump, with their daughter Tiffany, as they pose together at the Mar-a-Lago estate, Palm Beach, Florida, 1996.

(Photo by Davidoff Studios/Getty Images)

Donald Trump and Ron Delsner backstage at a KISS concert at Madison Squre Garden in New York City on July 25, 1996.

(Photo by Ebet Roberts/Redferns)

Donald Trump attending Halloween party thrown by Naomi Campbell and Kate Moss at the Supper Club to kick off Fashion Week.  

(Photo by Richard Corkery/NY Daily News via Getty Images)

Donald Trump open his new building at 1 Center Park West- The new Trump International Hotel and Tower.

(Photo byJames Hughes/NY Daily News via Getty Images)

Donald Trump and his girlfriend Celina Midelfar watch Conchita Martinez and Amanda Coetzer 07 September at US Open in Flushing Meadows, NY.

(TIMOTHY CLARY/AFP/Getty Images)

Celine Dion, husband Rene, Donald Trump & Ivanka Trump

(Photo by KMazur/WireImage)

Entrepreneur Donald Trump and Rev. Al Sharpton speak at a ribbon cutting ceremony for Sharpton's National Action Network Convention April 5, 2002 in New York City. The group aims to further the development of civil rights.

(Photo by Mario Tama/Getty Images)

Donald Trump and his girlfriend Melania Knauss attend the Marc Bouwer/Peta Fall/Winter 2002 Collection show February 14, 2002 during Mercedes-Benz Fashion Week in New York City.

(Photo by George De Sota/Getty Images)

Donald Trump at Madison Square Garden

(Photo by Alexander Hassenstein/Bongarts/Getty Images)

Donald Trump stands on the sidelines before the start of the AFC divisional playoffs between the New England Patriots and Tennessee Titans on January 10, 2004 at Gillette Stadium in Foxboro, Massachusetts. Temperatures have reached as low as 7 degrees in the Foxboro area.

(Photo by Al Bello/Getty Images)

Donald Trump, Visionary Business Leader award honoree, poses with his children Donald Trump Jr. and Ivanka at Fashion Group International's 22nd Annual 'Night Of Stars' at Cipriani's 42nd Street October 27, 2005 in New York City.

(Photo by Evan Agostini/Getty Images)

Eric Trump and Donald Trump attend the Chicago Bulls vs New Jersey Nets game at the IZOD Center on October 31, 2007 in East Rutherford, New York.

(Photo by James Devaney/WireImage)

 Donald Trump delivers a speech with his son Barron after he was honored with the 2,327th star on the Hollywood Walk of Fame on Hollywood Boulevard in Hollywood, CA, 16 January 2007.

(GABRIEL BOUYS/AFP/Getty Images)

Portrait of former model Melania Trump and her husband, businessman Donald Trump, as they sit together at a table during the 16th annual 'Lady in Red' gala, hosted by LIFE (Leaders In Furthering Education), at the Mar-a-Lago club, Palm Beach, Florida, December 4, 2009.

(Photo by Michele Eve Sandberg/Corbis via Getty Images)

Donald Trump sands with Miss Universe 2009 Stefania Fernandez of Venezuela prior to the Miss Universe 2010 Pageant Final at the Mandalay Bay Hotel in Las Vegas on August 23, 2010. Miss Universe is an annual international beauty pageant and along with the Miss World is the most publicized beauty contest in the world. California clothing company Pacific Mills founded the contest 1952 and was acquired by Donald Trump in 1996.

(MARK RALSTON/AFP/Getty Images)

US tycoon Donald Trump arrives to speak at the annual Conservative Political Action Conference (CPAC) at National Harbor, Maryland, outside Washington, on February 27, 2015.

(NICHOLAS KAMM/AFP/Getty Images)

Donald Trump speaks during the NRA-ILA Leadership Forum at the 2015 NRA Annual Meeting & Exhibits on April 10, 2015 in Nashville, Tennessee. The annual NRA meeting and exhibit runs through Sunday.

(Photo by Justin Sullivan/Getty Images)

Real estate mogul and billionaire Donald Trump attends Golf legend Jack Nicklaus' Congressional Gold Medal ceremony in the U.S. Capitol Rotunda March 24, 2015 in Washington, DC. Trump announed on March 18 that he has launched a presidential exploratory committee.

(Photo by Chip Somodevilla/Getty Images)

Businessman Donald Trump speaks to guests gathered for the Republican Party of Iowa's Lincoln Dinner at the Iowa Events Center on May 16, 2015 in Des Moines, Iowa. The event sponsored by the Republican Party of Iowa gave several Republican presidential hopefuls an opportunity to strengthen their support among Iowa Republicans ahead of the 2016 Iowa caucus.

(Photo by Scott Olson/Getty Images)

Republican Presidential Candidate Donald Trump visits his Scottish golf course Turnberry with his children Ivanka Trump and Eric Trump on July 30, 2015 in Ayr, Scotland. Donald Trump answered questions from the media at a press conference.

(Photo by Jeff J Mitchell/Getty Images)

U.S. President-elect Donald Trump speaks at his election night rally in Manhattan, New York, U.S., November 9, 2016.

(REUTERS/Carlo Allegri)

Singer Kanye West and President-elect Donald Trump speak with the press after their meetings at Trump Tower December 13, 2016 in New York.

(TIMOTHY A. CLARY/AFP/Getty Images)

Republican U.S. presidential candidate Donald Trump poses for a photo after an interview with Reuters in his office in Trump Tower, in the Manhattan borough of New York City, U.S., May 17, 2016.

(REUTERS/Lucas Jackson)

 Coverage of the 2016 Republican National Convention from the Quicken Loans Arena in Cleveland, Ohio, which airs on all ABC News programs and platforms. On this final night of the convention, Donald Trump accepts the party's nomination for President of the United States.

(Photo by Ida Mae Astute/ABC via Getty Images) 

U.S. Republican presidential candidate Donald Trump reacts to an answer his wife Melania gives during an interview on NBC's "Today" show in New York, April 21, 2016.

(REUTERS/Brendan McDermid/File Photo)

President-elect Donald Trump speaks to reporters following his meeting with Jack Ma, Chairman of Alibaba Group, meeting at Trump Tower, January 9, 2017 in New York City. President-elect Donald Trump and his transition team are in the process of filling cabinet and other high level positions for the new administration.

(Photo by Drew Angerer/Getty Images)

U.S. President Donald Trump and Israeli Prime Minister Benjamin Netanyahu shake hands after Trump's address at the Israel Museum in Jerusalem May 23, 2017. REUTERS/Ronen Zvulun TPX IMAGES OF THE DAY
U.S. President Donald Trump has coffee during a reception ceremony in Riyadh, Saudi Arabia, May 20, 2017.Bandar Algaloud/Courtesy of Saudi Royal Court/Handout via REUTERS ATTENTION EDITORS - THIS PICTURE WAS PROVIDED BY A THIRD PARTY. FOR EDITORIAL USE ONLY. TPX IMAGES OF THE DAY
U.S. Vice President Mike Pence (L) and U.S. President Donald Trump appear on stage at a rally in Harrisburg, Pennsylvania, U.S. April 29, 2017. REUTERS/Carlo Allegri TPX IMAGES OF THE DAY
U.S. President Donald Trump holds up a U.S. Air Force Academy football jersey that was presented to him by team captain Weston Steelhammer during the presentation of the Commander-in-Chief trophy in the Rose Garden of the White House in Washington, U.S., May 2, 2017. REUTERS/Joshua Roberts TPX IMAGES OF THE DAY
U.S. President Donald Trump delivers the keynote address at the U.S. Holocaust Memorial Museum's "Days of Remembrance" ceremony in the Capitol Rotunda in Washington, U.S, April 25, 2017. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY
U.S. President Donald Trump, U.S. first lady Melania Trump, their son Barron and the Easter Bunny arrive for the 139th annual White House Easter Egg Roll on the South Lawn of the White House in Washington, U.S., April 17, 2017. REUTERS/Joshua Roberts TPX IMAGES OF THE DAY
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The former House speaker said later that Trump should not give up tweeting, however.

"He should tweet, but he ought to have an editorial board in-between the first draft and sending it," he suggested. "But he shouldn't give it up, and he shouldn't give up being Donald Trump. He got elected being this unique, charismatic, entrepreneurial guy who breaks lots of rules. ... If he starts getting to be normal, he'll cease being Donald J. Trump."

Top election officials from three states targeted by Trump in his tweets — California, Virginia, and New Hampshire — called Trump's assertion that massive voter fraud occurred in each "unfounded" and "unsubstantiated."

Gingrich also described a recent meeting he held with Trump, saying the president-elect told him that "this is really a bigger job than I thought."

"Which is good," Gingrich said. "He should think that ... you have war and peace, you have enormous powers ... and it all comes down to the Oval Office and it all comes down to you."

13 PHOTOS
Members of the Trump family
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Members of the Trump family
NEW YORK, NY - MARCH 26: Ivanka Trump and Jared Kushner are seen on March 26, 2016 in New York City. (Photo by Tal Rubin/GC Images)
BRIARCLIFF MANOR, NY - SEPTEMBER 21: Jared Kushner and Ivanka Trump attends the 9th Annual Eric Trump Foundation golf invitational at Trump National Golf Club Westchester on September 21, 2015 in Briarcliff Manor City. (Photo by Bobby Bank/WireImage)
BRIARCLIFF MANOR, NY - SEPTEMBER 21: (L-R) Vanessa Trump, Donald Trump Jr., Ivana Trump, Eric Trump, Lara Trump, Ivanka Trump and Jared Kushner attend the 9th Annual Eric Trump Foundation Golf Invitational Auction & Dinner at Trump National Golf Club Westchester on September 21, 2015 in Briarcliff Manor, New York. (Photo by Grant Lamos IV/Getty Images)
NEW YORK, NY - MAY 04: Jared Kushner and Ivanka Trump attend the 'China: Through The Looking Glass' Costume Institute Benefit Gala at the Metropolitan Museum of Art on May 4, 2015 in New York City. (Photo by Axelle/Bauer-Griffin/FilmMagic)
NEW YORK, NY - JUNE 16: (L-R) Eric Trump, Lara Yunaska Trump, Donald Trump, Barron Trump, Melania Trump, Vanessa Haydon Trump, Kai Madison Trump, Donald Trump Jr., Donald John Trump III, Ivanka Trump, Jared Kushner, and Tiffany Trump pose for photos on stage after Donald Trump announced his candidacy for the U.S. presidency at Trump Tower on June 16, 2015 in New York City. Trump is the 12th Republican who has announced running for the White House. (Photo by Christopher Gregory/Getty Images)
NEW YORK, NY - JUNE 07: Jared Kushner (L) and Ivanka Trump attend the American Theatre Wing's 69th Annual Tony Awards at Radio City Music Hall on June 7, 2015 in New York City. (Photo by Mark Sagliocco/Getty Images)
BEDMINSTER, NJ - OCTOBER, 25: In this handout image provided by Ivanka Trump and Jared Kushner, Ivanka Trump (R) and Jared Kushner (L) attend their wedding at Trump National Golf Club on October 25, 2009 in Bedminster, New Jersey. (Photo Brian Marcus/Fred Marcus Photography via Getty Images)
Donald Trump, president and chief executive of Trump Organization Inc. and 2016 Republican presidential candidate, center, speaks as his sons Donald Trump Jr., left, and Eric Trump, right, listen during a caucus night rally in Las Vegas, Nevada, U.S., on Tuesday, Feb. 23, 2016. Trump's dominating victory in the Nevada caucuses pushes him further out ahead of his nearest competitors for the Republican presidential nomination, giving his unorthodox candidacy a major boost heading into Super Tuesday contests next week. Photographer: David Paul Morris/Bloomberg via Getty Images
20/20 - Donald Trump and his family - including wife Melania Trump and his children - sit down for an interview with ABC News' Barbara Walters in a special edition of 20/20 airing Friday, Nov. 20 (10-11pm, ET) on the ABC Television Network. (Photo by Lorenzo Bevilaqua/ABC via Getty Images) DONALD TRUMP, JR., IVANKA TRUMP, ERIC TRUMP, TIFFANY TRUMP, BARBARA WALTERS
LONDON, ENGLAND - JULY 28: Marla Maples (L) and Tiffany Trump have dinner at Sumosan on July 28, 2014 in London, England. (Photo by David M. Benett/Getty Images)
BRIARCLIFF MANOR, NY - SEPTEMBER 15: (EDITORS NOTE: Retransmission of #455504994 with alternate crop.) (L-R) Donald Trump, Ivana Trump, Eric Trump and Lara Yunaska attend The Eric Trump 8th Annual Golf Tournament at Trump National Golf Club Westchester on September 15, 2014 in Briarcliff Manor, New York. (Photo by Dave Kotinsky/Getty Images)
NEW YORK, NY - APRIL 18: Donald Trump, Eric Trump and Lara Yunaska attend the New York Observer's 2013 Young Philanthropy event at PH-D Rooftop Lounge at Dream Downtown on April 18, 2013 in New York City. (Photo by Laura Cavanaugh/Getty Images)
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