CBS News And The RNC Sponsor The Republican Presidential Primary Debate [Getty Images]

Donald Trump, president and chief executive of Trump Organization Inc. and 2016 Republican presidential candidate, right, speaks as he gestures towards Senator Ted Cruz, a Republican from Texas and 2016 presidential candidate, during the Republican presidential candidate debate sponsored by CBS News and the Republican National Committee at the Peace Center in Greenville, South Carolina, U.S., on Saturday, Feb. 13, 2016. Donald Trump tops the GOP field with support from 36.3 percent of likely South Carolina Republican primary voters with Ted Cruz at 19.6 percent, according to a poll conducted for the Augusta Chronicle released on Friday. Photographer: Daniel Acker/Bloomberg via Getty Images

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