Most polls ask voters whom they plan to vote for. But it turns out that asking voters who they think will win has actually yielded more accurate results, and the 2014 midterm election was no exception. In fact, that kind…

By all accounts, New Hampshire's primary Tuesday was Mitt Romney's to lose with the rest of the Republican field trying to hold down his margin of victory. Gwen Ifill discusses the polling numbers with the University of New Hampshire's Andy…