Polling & Democracy: An Uneasy Relationship

Knowing your good polls from your bad is essential, especially in an election year. But what if the problem of polling is about more than separating best and worst practices? What if the whole premise is, and always has been, flawed? Jill Lepore explored these and other questions in her recent New Yorker article, "Politics and the New Machine." Bob speaks to Jill about the history of polling and how its idealistic ambitions are undermined by shady practices and shaky assumptions.