Donald Trump's call to ban Muslim immigrants from entering the country until a coherent anti-ISIS strategy is in place has the support of two-thirds of GOP primary voters (Photo: Bloomberg Politics video screenshot)
In The Wall Street Journal, Michael Barone writes about why political polls are so often wrong.
Check polls on your iPhone using PollTracker by Talking Points Memo
FiveThirtyEight - Nate Silver\'s Political Calculus: Models Based on 'Fundamentals' Have Failed at Predicting Pres.
Polls are problematic, and they’re having dark effects on politics, argues Mona Chalabi