Fact checkers say president's rate of dishonesty is rising

At a Monday rally, President Trump made comments about a caravan of Central American migrants that had fact-checkers on the alert. Since the president took office, they’ve identified 2,915 claims that cannot be verified by the truth. Daniel Dale, Washington bureau chief of the Toronto Star, joins Judy Woodruff to discuss Trump’s increasing rate of dishonesty and how the press should report on it.