Former President Clinton has campaigned on behalf of Rep. Kendrick Meek, the Democratic candidate for Senate in Florida.  John Raoux/AP hide caption

itoggle caption John Raoux/AP

Florida U.S. Senate candidates Marco Rubio (from left), Charlie Crist and Kendrick Meek share a laugh before their debate Wednesday. Joe Burbank, Pool/AP hide caption

itoggle caption Joe Burbank, Pool/AP