Republican Presidential Candidates Debate In Greenville, South Carolina [Getty Images]

GREENVILLE, SC - FEBRUARY 13: Republican presidential candidates (L-R) Jeb Bush, Sen. Ted Cruz (R-TX) and Donald Trump participate in a CBS News GOP Debate February 13, 2016 at the Peace Center in Greenville, South Carolina. Residents of South Carolina will vote for the Republican candidate at the primary on February 20. (Photo by Spencer Platt/Getty Images)

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