2 experts give a crash course in what polls are good for, bad for and simply can't do
Polling is everywhere these days. There are polls on the morning news, polls about current events, and polls showing that people really do love pumpkin spice.You’re asked to take a poll just about every time you finish shopping somewhere, and, of course, there are presidential horse race polls. Right now, those are pretty squarely focused on the impending “close race” between