Outlining the Senate Six: Democrats on Defense

Aired: 4/12/2012 | 0:06:51 | Clip
While a third of senators are on the ballot this November, six races should indicate where control of the Senate is headed. Part of a new series called the Senate Six, Ray Suarez and Christina Bellantoni outline what's at stake in races in Montana, Virginia, Massachusetts, Nevada, New Mexico and Wisconsin.