Secretary of State to travel to Saudi Arabia

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President Trump promised a 'proportionate' response to the attack in Saudi Arabia, just days after tweeting that America was 'locked and loaded' to assist Saudi Arabia on their terms. NBC White House Correspondent Kristen Welker, National Political Reporter at the Washington Post Robert Costa, and Former Director of the National Counterterrorism Center Michael Leiter join Andrea to discuss suspected Iranian involvement in the escalating conflict.