Clapper denies leaking intelligence briefing to media

Former Director of National Intelligence James Clapper saw some of the early evidence of Russian meddling in U.S. elections. Now a frequent critic and target of President Trump, Clapper has recently published a book, “Facts and Fears: Hard Truths from a Life in Intelligence.” Judy Woodruff talks to Clapper about Trump’s showdown with Iran, confidence in U.S. intelligence and the Mueller report.