
Pew Polls Polling
The Brian Lehrer Show | May 22, 2012
Fewer people are answering surveys today than in the past. Andrew Kohut, president of the Pew Research Center, discusses a new Pew study on the effectiveness of public polls.

Fewer people are answering surveys today than in the past. Andrew Kohut, president of the Pew Research Center, discusses a new Pew study on the effectiveness of public polls.