WASHINGTON (AP) — A leading Republican senator on foreign policy issues says he doesn't know whether President Donald Trump's pick to be U.N. ambassador has the expertise and background to capably handle the job.
Trump wants former Fox News reporter and current State Department spokeswoman Heather Nauert to replace Nikki Haley as ambassador. Nauert had little foreign policy experience before taking the State Department post.
RELATED: Heather Nauert
NEW YORK, NY - MAY 05: Fox Newscaster Heather Nauert tells the news during Eric Stonestreet and Mother Jamey Stonestreet Visit 'Fox & Friends' at FOX Studios on May 5, 2016 in New York City. (Photo by Roy Rochlin/Getty Images)
NEW YORK, NY - JULY 10: (L-R) TV Personality Steve Doocy, TV Personality Heather Nauert and Musician Bret Michaels pose for a photograph during 'FOX & Friends' All American Concert Series outside of FOX Studios on July 10, 2015 in New York City. (Photo by Debra L Rothenberg/FilmMagic)
NEW YORK - AUGUST 30: Fox News correspondent Heather Nauert attends a Susan B. Komen Breast Cancer Foundation Benefit on August 30, 2004 at Bergdorf Goodman, in New York City. (Photo by Evan Agostini/Getty Images)
NEW YORK, NY - JUNE 06: (L-R) Heather Nauert and Chris Daughtry attend 'FOX & Friends' All American Concert Series outside of FOX Studios on June 6, 2014 in New York City. (Photo by Janette Pellegrini/Getty Images)
NEW YORK, NY - APRIL 17: Heather Nauert attends Valerie Harper Visits 'FOX & Friends' at FOX Studios on April 17, 2014 in New York City. (Photo by Monica Schipper/Getty Images)
(L to R) Bloomberg's Cali Carlin, Fox's Heather Nauert, and NBC's Sara Gore attend Moves Summer 2010 at Studio 450 on July 6, 2010 in New York City. (Photo by Brian Killian/WireImage)
Spencer Davis , Heather Nauert of ABC News during Rock N' Roll Fantasy Camp - New York City - August 13, 2006 in New York City, New York, United States. (Photo by Bobby Bank/WireImage)
NEW YORK, NY - MAY 13: (L-R) Heather Nauert, Kellie Pickler, Steve Doocy, Elisabeth Hasselbeck, Maria Molina and Brian Kilmeade visit 'FOX & Friends' at FOX Studios on May 13, 2014 in New York City. (Photo by Paul Zimmerman/Getty Images)
NEW YORK, NY - APRIL 17: Heather Nauert (L) attends Valerie Harper Visits 'FOX & Friends' at FOX Studios on April 17, 2014 in New York City. (Photo by Monica Schipper/Getty Images)
NEW YORK, NY - JUNE 24: Michelle Wie (2nd R), 2014 U.S. Women's Open Golf Champion, with hosts Heather Nauert, Elisabeth Hasselbeck and Maria Molina, play golf at 'FOX And Friends' at FOX Studios on June 24, 2014 in New York City. (Photo by Rob Kim/Getty Images)
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The Senate Foreign Relations Committee would consider Nauert's nomination, and one committee member, GOP Sen. Marco Rubio of Florida, tells CBS' "Face the Nation" that "I most certainly think she has the ability to do the job well."
But he adds, "Does she have detailed knowledge of foreign policy to a level that will allow her to be successful at the United Nations? I don't know."