allen campbell introduces us to little zipper, the motorcycle riding squirrel from west ashley, southina. >> when the motorcycle pulls up anywhere, she perks up. thinks it's hers. and she'll fight over it. >> move over water skiing squirrel. there's a new act in town. >> occasionally she'll put her paws over the windshield to check out the scenery. but it depends on the speed that i'm going. >> zipper has been riding motorcycles for years. ever since she was a baby. >> i think it's cool. i'm not making her do anything. if i put her down in the grass, she runs to the bike and gets up on it. >> zipper's owner got the squirrel at a young age and has bottle fed and taken zipper everywhere with her. >> does she have any tattoos yet? >> not yet. >> zipper even has her own business card. refer to as a squirrel with a real attitude who has been the cause of a few accidents. >> we've had three wrecks. cars running into another car. people stop me and go, do you know you have a squirrel? it's running around. yeah. she has a leash on. >> whenever the reason, zipper is drawn to the loud engine or

but, look, alex, what allen and other modelers like jim campbell, professor jim campbell at sunni buffalois that it's not that campaigns don't matter. of course campaigns have some effect. it's that the fundamentals drive the vast majority of the vote. most people don't believe this, but it's absolutely true. under 10% of the people who will actually show up at the polls in november right now are undecided. that right, more than 90% of the people who vote have already made up their minds. will there be a few switchers? in 2008, 8% of the voters changed their minds. what was the net effect? zero. about the same number of obama supporters switched to mccain as mccain supporters switched to obama, and in the vast majority of cases they were switching back to their own partisan identification. >> well, you're absolutely right. it's always been said that elections come about dodown to middle 10% of the country. here are the fundamentals, a president's approval rating in midyear, the economic growth as evidenced by second quarter results and whether either party is seeking a third consecutive t