Republican presidential candidate Donald Trump speaks during the Palm Beach County GOP Lincoln Day Dinner at the Mar-A-Lago Club, Sunday, March 20, 2016, in Palm Beach, Fla. (AP Photo/Wilfredo Lee) ** FILE **
Donald Trump strategist Paul J. Manafort, left, chats with former presidential candidate Ben Carson as they head to a Trump for president reception at the Republican National Committee Spring Meeting, Thursday, April 21, 2016, in Hollywood, Fla. (AP Photo/Wilfredo Lee) ** FILE **
Republican presidential candidate Donald Trump gives a double thumbs up to the audience as he arrives to a campaign stop at the First Niagara Center, Monday, April 18, 2016, in Buffalo, N.Y. (AP Photo/John Minchillo)
Darrin Black, left, of Thornton, Colo., holds up a placard as he joins supporters of the Republican presidential candidate Donald Trump to demonstrate on the steps of the Colorado State Capitol Friday, April 15, 2016, in downtown Denver. Colorado supporters of Trump were protesting the convoluted procedure that led Ted Cruz to sweep all the state's 34 delegates to the national convention during the state Republican assembly last weekend in Colorado Springs, Colo. (AP Photo/David Zalubowski)
U.S. Presidential contender Donald Trump, right, gestures to the media as he drives a buggy on the first day of the Women's British Open golf championship at the Turnberry golf course in Turnberry, Scotland, Thursday, July 30, 2015. Trump turned a brief trip to a golf tournament in Scotland into an extension of his presidential campaign trail when he attended the Women's British Open at his plush Turnberry resort on Thursday. (AP Photo/Scott Heppell)
Former Breitbart News reporter Michelle Fields criticized her "friend" Fox News' Sean Hannity for not challenging Donald Trump "on his lies" that she grabbed him at a Florida press conference last month.