FILE - In this Aug. 23, 2011 file photo, Sen. Marco Rubio, R-Fla., speaks at the Ronald Reagan Presidential Library in Simi Valley, Calif. Rubio, will speak during the Republican Natio

 

              FILE - In this Aug. 23, 2011 file photo, Sen. Marco Rubio, R-Fla., speaks at the Ronald Reagan Presidential Library in Simi Valley, Calif. Rubio, will speak during the  Republican Natio
FILE - In this Aug. 23, 2011 file photo, Sen. Marco Rubio, R-Fla., speaks at the Ronald Reagan Presidential Library in Simi Valley, Calif. Rubio, will speak during the Republican National Convention which runs Aug. 27-30 in Tama, Fla. It's no coincidence, then, that the Republicans have placed their convention here; Mitt Romney desperately needs to win Florida if he is going to defeat President Barack Obama. (AP Photo/Jae C. Hong, File)