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WASHINGTON, DC - OCTOBER 11:  Senator Marco Rubio (R-FL), speaks at the 2013 Values Voter Summit, held by the Family Research Council, on October 11, 2013 in Washington, DC. The summit, which goes for three days, is attended by a number of Republican senators and high profile conservative voices in American politics.  (Photo by Andrew Burton/Getty Images)
WASHINGTON, DC - OCTOBER 11:  Senator Marco Rubio (R-FL), speaks at the 2013 Values Voter Summit, held by the Family Research Council, on October 11, 2013 in Washington, DC. The summit, which goes for three days, is attended by a number of Republican senators and high profile conservative voices in American politics.  (Photo by Andrew Burton/Getty Images)

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John King, Nia-Malika Henderson and Ed O'Keefe weigh in on the Florida senator's comments about 2016 and other presidential candidates.

Rubio takes swipe at fellow senator?

John King, Nia-Malika Henderson and Ed O'Keefe weigh in on the Florida senator's comments about 2016 and other presidential candidates.