U.S. government takes responsibility for DCA crash

News out of DC tonight. The US is now taking responsibility for the deadly crash between a Blackhawk helicopter and an American Airlines commercial jet last January over the Ptoac River. Tom Costello joins us now live.Tom, I know this just came in. What more do we know. It's 200 plus pages on this court filing, but really a striking emission by the United States government.And I'm just going to read a portion of it. This is the main headline here. The United States admits that the military pilots and also i ...