Republican presidential candidate, Sen. Marco Rubio, R-Fla., listens at a campaign rally in Jacksonville on Saturday, March 5, 2016.
Republican presidential candidate, Sen. Marco Rubio, R-Fla., listens at a campaign rally in Jacksonville on Saturday, March 5, 2016. Paul Sancya AP
Republican presidential candidate, Sen. Marco Rubio, R-Fla., listens at a campaign rally in Jacksonville on Saturday, March 5, 2016. Paul Sancya AP