Mason-Dixon released a new Florida poll, showing a tightening between Rudy Giuliani and Fred Thompson:

Republicans
Giuliani 21 (no trend)
Thompson 18
McCain 11
Romney 7
Huckabee 5

Giuliani's lead in the RCP Average for Florida is +5.5.

On the Democratic side, Hillary Clinton leads Barack Obama by 14 points:

Democrats
Clinton 31 (no trend)
Obama 17
Edwards 12
Richardson 4

Clinton has a 21.7-point lead in the RCP Average for Florida.