Campaign spending on political ads: Did money make a difference in 2012?

Media Outlet: 

WHYY-FM's "Radio Times with Marty Moss-Coane"

Federal campaigns spent $6 billion on the 2012 election, the most expensive election in history by a wide margin. Much of the spending was by outside groups such as super PACS and advocacy organizations now freed to spend limitless amounts. How much did money matter in this election? Temple political scientist Robin Kolodny joined the "Radio Times" studio to discuss the effectiveness of political ads and whether they really reach and persuade voters.