* Headlines for April 12, 2010 * Families of Victims of 2007 US Helicopter Killing React to Leaked Video * "This is How These Soldiers Were Trained to Act" - Veteran of Military Unit Involved in 2007 Baghdad Helicopter Shooting Says Incident Is Part of Much Larger Problem * New Docs Show Kissinger Rescinded Warning on Assassinations Days Before Letelier Bombing in DC * "Looting Main Street" - Matt Taibbi on How the Nation's Biggest Banks Are Ripping Off American Cities with Predatory Deals