Outside Groups Outspending Campaigns in Senate Races

Aired: 11/1/2012 | 0:06:44 | Clip
For the 2012 elections, Democrats and Republicans are focused on taking control of the Senate by winning a majority of seats. Jeffrey Brown talks to NPR's Tamara Keith, who breaks down the money -- millions of dollars -- being poured into competitive Senate races by political parties and, significantly, by outside groups.