From the L.A. Times, regarding their recent poll:
Among poll respondents who already have voted in Ohio, Obama has a big lead: 57% to 35%. But McCain is slightly ahead in Florida among early-voting respondents, 49% to 45%.
Note the sample population. These are people who already voted. In Florida, 6% voted for someone other than McCain or Obama. In Ohio, that's 8%. Now, I know there are third party candidate (Bob Barr, Ralph Nader), but come on…..