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Donald Trump speaks at the National Rifle Association convention Friday, April 10, 2015, in Nashville, Tenn. (AP Photo/Mark Humphr Rainier Ehrhardt | AP file photo Donald Trump speaks at the Freedom Summit in Greenville, S.C. last year. Al Hartmann | The Salt Lake Tribune Former presidential candidate Mitt Romney makes a speech about the state of the 2016 preside Al Hartmann | The Salt Lake Tribune Former presidential candidate Mitt Romney makes a speech about the state of the 2016 preside Al Hartmann | The Salt Lake Tribune Former presidential candidate Mitt Romney makes a speech about the state of the 2016 preside Al Hartmann | The Salt Lake Tribune Former presidential candidate Mitt Romney makes a speech about the state of the 2016 preside Al Hartmann | Tribune file photo Former presidential candidate Mitt Romney makes a speech about the state of the 2016 president Al Hartmann | Tribune file photo Former presidential candidate Mitt Romney makes a speech about the state of the 2016 president