Public Opinion Polls

Some say polls were the big losers on election day-largely failing to predict the strong republican showing. We'll look at how pollsters do their work, and why their job's gotten tougher lately. Also, how you can tell a good poll from a bad one. Laura speaks with Andy Smith, executive director of the UNH Survey Center www.unh.edu, and Dean Spiliotes, assistant professor of Government at Dartmouth College www.dartmouth.edu