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CORAL GABLES, FL - MARCH 10: Republican presidential candidates, Sen. Marco Rubio (R-FL) and Donald Trump are seen during the CNN, Salem Media Group, The Washington Times Republican Presidential Primary Debate on the campus of the University of Miami on March 10, 2016 in Coral Gables, Florida. The candidates continue to campaign before the March 15th Florida primary. (Photo by Joe Raedle/Getty Images)

CORAL GABLES, FL - MARCH 10:  Republican presidential candidates, Sen. Marco Rubio (R-FL) and Donald Trump are seen during the CNN, Salem Media Group, The Washington Times Republican Presidential Primary Debate on the campus of the University of Miami on March 10, 2016 in Coral Gables, Florida. The candidates continue to campaign before the March 15th Florida primary.  (Photo by Joe Raedle/Getty Images)