National polls show that its dead even, but in the few swing states that could tip the balance tomorrow night president obama has a slight advantage over mitt romney. In ohio, a university of oncinnati poll shows the president ahead 50 to 49 . In florida, a recent poll has him ahead by just two points. In wisconsin, the president hreds by three points. In iowa, the Des Moines Register shows mr. Obama up mr. Oboints. And the colorado poll has him ahead by two points. Our campaign 2012 team is covering. First were going to go to nancy wedes with the president tonight. Nancy . Pelley scott, after 100 rallies, the president holds his final one here in des moines tonight for two reasons first, mostuse iowa is one of the battleground states the campaign inls most confident about sinning and second because, in many ways, this is the state that first catapulted him towards the president that upset win in the Iowa Caucuses five years ago. Hello, colorado hello, wisconsin hello, ohio pelley pres