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…..