How politicians target voters with digital ads

Aired: 11/2/2014 | 0:03:12 | Clip
Much of the analysis after the 2012 presidential election focused on how the Obama campaign had made better use of technology than the Romney campaign to get its supporters to the polls. So how are both major parties doing this time around in the days leading up to Tuesday's midterm elections? Journalist Ashley Parker joins Hari Sreenivasan from Washington.