Fifteen years ago this week, Secretary of State General Colin Powell gave a speech to the United Nations arguing for war with Iraq, saying the evidence was clear: Saddam Hussein had weapons of mass destruction. It was a speech Powell would later call a blot on his career. Is President Trump doing the same thing now with Iran? We speak to Powell’s former chief of staff, Col. Lawrence Wilkerson. He recently wrote a piece titled “I Helped Sell the False Choice of War Once. It’s Happening Again.”