45 PHOTOS
People who might run against Trump in 2020
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People who might run against Trump in 2020

Former Vice President Joe Biden

(Photo by Patrick T. Fallon/Bloomberg via Getty Images)

Sen. Bernie Sanders (I-Vt.)

(Photo by Scott Eisen/Getty Images)

Sen. Elizabeth Warren (D-Mass.)

(Photo by Craig F. Walker/The Boston Globe via Getty Images)

Sen. Kamala Davis (D-Calif.)

(Photo By Bill Clark/CQ Roll Call)

Sen. Chris Murphy (D-Conn.)

(Photo by Zach Gibson/Getty Images)

Sen. Amy Klobuchar (D-Minn.)

(Photo by Drew Angerer/Getty Images)

Facebook CEO and founder Mark Zuckerberg

(Photo by David Paul Morris/Bloomberg via Getty Images)

Sen. Cory Booker (D-N.J.)

(Photo by Jason LaVeris/FilmMagic)

Former U.S. Secretary of State John Kerry (D)

(Photo by: REUTERS/Gonzalo Fuentes)

Sen. Kirsten Gillibrand (D-N.Y.)

(Photo by: Lloyd Bishop/NBC/NBCU Photo Bank via Getty Images)

Colorado Gov. John Hickenlooper

(Photo By Bill Clark/CQ Roll Call)

New York Gov. Andrew Cuomo

(Photo credit MENAHEM KAHANA/AFP/Getty Images)

Former Maryland Gov. Martin O'Malley

(Photo credit NICHOLAS KAMM/AFP/Getty Images)

Former Housing and Urban Development Secretary Julian Castro

(Photo by Pete Marovich/Bloomberg via Getty Images)

Sen. Tim Kaine (D-Va.)

(Photo by Daniel Acker/Bloomberg via Getty Images)

Sen. Al Franken (D-Minn.)

(Photo by Zach Gibson/Getty Images)

Sen. Sherrod Brown (D-Ohio)

(Photo credit ZACH GIBSON/AFP/Getty Images)

Former Massachusetts Gov. Deval Patrick

(Photo by Suzanne Kreiter/The Boston Globe via Getty Images)

New York City Mayor Bill de Blasio

(Photo by James Keivom/NY Daily News via Getty Images)

Dallas Mavericks owner Mark Cuban

(Photo by Andrew Harrer/Bloomberg via Getty Images)

Environmental activist Tom Steyer

(Photo by David Paul Morris/Bloomberg via Getty Images)

Democratic National Committee Chairman Tom Perez

(Photo by Taylor Hill/FilmMagic)

Minnesota Gov. Mark Dayton 

(Photo by Stephen Maturen/Getty Images)

Virginia Gov. Terry McAuliffe

(Photo by Drew Angerer/Getty Images)

California Lt. Gov. Gavin Newsom

(Photo by Yichuan Cao/NurPhoto via Getty Images)

Facebook COO Sheryl Sandberg

(Photo credit FABRICE COFFRINI/AFP/Getty Images)

Starbucks CEO Howard Schultz

(Photo credit should read JASON REDMOND/AFP/Getty Images)

Dwayne "The Rock" Johnson

(Photo by Donna Ward/Getty Images)

Rep. Tulsi Gabbard (D-Hawaii)

(Photo credit TIMOTHY A. CLARY/AFP/Getty Images)

Rep. Keith Ellison (D-Minn.)

(Photo by Alex Wong/Getty Images)

Rep. Sean Patrick Maloney (D-N.Y)

(Photo By Tom Williams/CQ Roll Call)

California Gov. Jerry Brown

(Photo by Tiffany Rose/Getty Images for Caruso )

Media mogul Oprah Winfrey

(Photo by Moeletsi Mabe/Sunday Times/Gallo Images/Getty Images)

Former Sen. Russ Feingold (D-Wis.)

(Photo By Tom Williams/CQ Roll Call)

Former Vermont Gov. Howard Dean

(Marcus Yam / Los Angeles Times)

Former Vice President Al Gore

(Photo credit DAVID MCNEW/AFP/Getty Images)

Sen. Mark Warner (D-Va.)

(Photo by Katherine Frey/The Washington Post via Getty Images)

Former Sen. Jim Webb (D-Va.)

(Photo by Andrew Harrer/Bloomberg via Getty Images)

Los Angeles Mayor Eric Garcetti

(Photo by Rodin Eckenroth/Getty Images,)

Rep. Seth Moulton (D-Mass.)

(Photo by Craig F. Walker/The Boston Globe via Getty Images)

New Orleans Mayor Mitch Landrieu

Albin Lohr-Jones/Pool via Bloomberg

Sen. Tammy Duckworth (D-Ill.)

(Photo by Scott Olson/Getty Images)

Washington Gov. Jay Inslee

(Photo by Karen Ducey/Getty Images)

Texas Rep. Beto O'Rourke

(AP Photo/Eric Gay)

Michael Bloomberg

(Christopher Smith/Invision/AP)

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