Republican Presidential Candidate Donald Trump Holds Rally In Mesa, Arizona [Getty Images]

MESA, AZ - DECEMBER 16: Republican presidential candidate Donald Trump peers out into the crowd during a campaign event at the International Air Response facility on December 16, 2015 in Mesa, Arizona. Trump is in Arizona the day after the Republican Presidential Debate hosted by CNN in Las Vegas, Nevada. (Photo by Ralph Freso/Getty Images)

Getty Images News Ralph Freso