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MELBOURNE, FL - MARCH 14:  Republican presidential candidate Sen. Marco Rubio (R-FL) greets supporters while campaigning at That Little Restaurant March 14, 2016 in Melbourne, Florida. Florida holds its presidential primary tomorrow.  (Photo by Win McNamee/Getty Images)
MELBOURNE, FL - MARCH 14:  Republican presidential candidate Sen. Marco Rubio (R-FL) greets supporters while campaigning at That Little Restaurant March 14, 2016 in Melbourne, Florida. Florida holds its presidential primary tomorrow.  (Photo by Win McNamee/Getty Images)

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    CNN projection: Rubio wins Florida primary

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CNN projection: Rubio wins Florida primary

CNN Projects that Marco Rubio will win the Florida Republican Senate Primary, and that Patrick Murphy will win the Florida Democratic Senate Primary. CNN's Manu Raju reports.

CNN projection: Rubio wins Florida primary

CNN Projects that Marco Rubio will win the Florida Republican Senate Primary, and that Patrick Murphy will win the Florida Democratic Senate Primary. CNN's Manu Raju reports.