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