From Yemen to Europe, U.S. foreign policy is scrutinized

Secretary of Defense James Mattis held a rare, on-camera press briefing today, fielding questions on Yemen, North Korea and the trans-Atlantic alliance. In Europe, meanwhile, top leaders voiced renewed concern about the outlook for their relationship with the U.S. Foreign affairs correspondent Nick Schifrin joins Judy Woodruff to discuss the three policy areas, including how Russia fits into them.