The acting head of the U.S. firearms agency admitted during secret talks at Congress that mistakes were made in a botched operation to track the illegal movement of guns to Mexico, lawmakers said on Wednesday. The operation, dubbed "Fast and Furious," has put the Obama administration on the defensive, provoking questions about who knew what and when within the Bureau of Alcohol, Tobacco, Firearms and Explosives and the Justice Department, as well as questions about... (GunPolicy.org)