With the Senate split 50-50 between Democrats and Republicans and the midterm elections less than a month away, ABC's embeds follow candidates battling it out in three close Senate races that could tip the balance of power: Pennsylvania, Ohio, & Arizona.

While ABC's embed reporters delve into the biggest issues animating voters in Michigan, Nevada and traditionally blue Rhode Island, George checks in with legendary Democratic strategist James Carville, two weeks out from election day.