Dangerous lies? Obama diplomat says Trump's lies undercut U.S. security

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In a wide-ranging interview with Barack Obama’s U.S. Ambassador to the United Nations, Samantha Power joins The Beat with Ari Melber to discuss her role in the U.N. and her time spent in the situation room with President Obama and Hillary Clinton. Powers commented on the importance of the White House telling the truth, saying “trust is money in the bank” and helps when the world believes “you’re not lying to the world and the American people, like our current President does.” Powers also tackles “the journey” of Trump’s responses to Saudi Arabia and Iran, criticizing the U.S. from once being “minutes away” from a “military strike,” to Trump wanting to have a “face to face” with Iran, adding “there’s been no articulation of what the Trump administration” as it relates to Iran.