Presidential Candidate Sen. Marco Rubio (R-FL) Holds NH Primary Night Party [Getty Images]

MANCHESTER, NH - FEBRUARY 09: Republican presidential candidate Sen. Marco Rubio (R-FL) delivers remarks during a primary election night party at the Radisson hotel February 9, 2016 in Manchester, New Hampshire. After a strong third-place showing in the Iowa caucuses, Rubio was hoping to prove his presidential staying power by pulling away from the pack and moving closer to Donald Trump at the polls. (Photo by Chip Somodevilla/Getty Images)

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