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A paper ballot lays in a private voting booth at a polling station.

This election is expected to come down to a handful of swing states, including Florida. Ever since 2000 - Florida has had a special significance in presidential elections.

Who can forget that month after the November election when no one knew who was going to be president? That was when the nation learned just how important a hanging chad could be.

Nearly 12 years later - what has changed? Did we learn anything from the Florida chaos? Could this election again reveal that we don't have a fair and objective means of counting votes?

Law expert Richard Hasen joins the show. He teaches at UC Irvine and his new book is called The Voting Wars: From Florida 2000 to the Next Election Meltdown.