Republican Presidential Candidates Speak At Faith & Freedom Coalition's "Road to Majority" Conference [Getty Images]

Senator Marco Rubio, a Republican from Florida and 2016 presidential candidate, pauses while speaking during the Faith and Freedom Coalition's "Road to Majority" legislative luncheon in Washington, D.C., U.S., on Thursday, June 18, 2015. The annual Faith & Freedom Coalition Policy Conference gives top-tier presidential contenders as well as long shots a chance to compete for the large evangelical Christian base in the crowded Republican primary contest. Photographer: Andrew Harrer/Bloomberg via Getty Images

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