With four Senate races still undecided, the Democrats now control 56 seats.  The Republicans control 40. Some of the major races, those where states changed parties, where reported earlier.

Power changed hands from a Republican to a Democrat in this year’s Senate race in the following states:

In Colorado Mark Udall won, while his cousin Tom won in New Mexico.  In Virginia, Mark Warner won.  In North Carolina, Kay Hagan won, and in New Hampshire, Jeanne Shaheen takes over.