What campaign funding trends will carry over to 2016?

Voter turnout for this year’s midterm elections was the lowest since 1942, but spending for congressional elections spiked at a record $4 billion. Political director Domenico Montanaro takes a look at who donated and how money was spent, while Judy Woodruff talks to Matea Gold of The Washington Post about how this year’s spending could impact the 2016 presidential race.