Related Program: Morning Edition The Challenges Behind Accurate Opinion Polls By Mara Liasson • Jun 13, 2014 Related Program: Morning Edition TweetShareGoogle+Email Listen Listening... / Originally published on June 13, 2014 8:27 am This week's stunning defeat of House Majority Leader Eric Cantor came after his internal polls showed him winning — instead he lost by double digits. TweetShareGoogle+EmailView the discussion thread.