Republican presidential candidate, Sen. Marco Rubio, R-Fla., poses for photographs at a campaign rally in Tampa, Fla., Monday, March 7, 2016.
Republican presidential candidate, Sen. Marco Rubio, R-Fla., poses for photographs at a campaign rally in Tampa, Fla., Monday, March 7, 2016. Paul Sancya AP
Republican presidential candidate, Sen. Marco Rubio, R-Fla., poses for photographs at a campaign rally in Tampa, Fla., Monday, March 7, 2016. Paul Sancya AP