Ken Rudin, political editor, NPR
Susan MacManus, professor, University of South Florida, Tampa
Ted Robbins, NPR correspondent
In Florida, multi-millionaire Rick Scott is vying for the GOP nomination for governor, while real estate mogul Jeff Green hopes to lock up the Democrats' nomination for Senate. And immigration is the hot-button issue, after gubernatorial candidate Bill McCollum proposed a bill rivaling Arizona's tough new law.