Jon Stewart, John Feal backing bill to help veterans affected by toxic burn pits

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Jon Stewart and John Feal, who worked together to pass 9/11 relief legislation, are now backing a bill to help veterans struggling with health issues after exposure to toxic burn pits used to dispose waste while serving. They join Andrea Mitchell along with Danielle Robinson, whose husband served in Iraq and died of a rare lung cancer after exposure to those burn pits, to discuss why such legislation is important.