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PENSACOLA, FL- MARCH 12: U.S. Republican presidential candidate Sen. Marco Rubio (R-FL) speaks to supporters at the Palafox Wharf on March 12, 2016 in Pensacola, Florida. On the eve of the Florida primary, Rubio finds himself trailing in third place. (Photo by Mark Wallheiser/Getty Images)
PENSACOLA, FL- MARCH 12: U.S. Republican presidential candidate Sen. Marco Rubio (R-FL) speaks to supporters at the Palafox Wharf on March 12, 2016 in Pensacola, Florida. On the eve of the Florida primary, Rubio finds himself trailing in third place. (Photo by Mark Wallheiser/Getty Images)

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    Marco Rubio sends series of critical, joking tweets

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Marco Rubio sends series of critical, joking tweets

Marco Rubio fired off an extended series of tweets, alternating between sharp jabs and light jokes, aimed at the Washington Post.

Marco Rubio sends series of critical, joking tweets

Marco Rubio fired off an extended series of tweets, alternating between sharp jabs and light jokes, aimed at the Washington Post.