In the hours before Attorney General Eric Holder’s scheduled testimony before the House Oversight and Government Reform Committee, Republican lawmakers Rep. Darrell Issa (R-Calif.) and Sen. Charles Grassley (R-Iowa) released a new report suggesting top Department of Justice officials had extensive knowledge of and involvement in Operation Fast and Furious. The memo, sent to Republican members of the Oversight Committee, was based upon interviews, documents and emails involving key players of the operation run by the Bureau of Alcohol, Tobacco, Firearms and Explosives. The operation allowed some 2,000 weapons cross the border into Mexico and into the hands of cartel...