In the aftermath of a Wednesday vote by a House committee accusing Attorney General Eric Holder of being in contempt of Congress, the attorney general accused the panel's top Republican Rep. Darrell Issa (R-Calif.) of provoking a partisan showdown between the branches of government. "He has chosen to use his authority to take an extraordinary, unprecedented and entirely unnecessary action, intended to provoke an avoidable conflict between Congress and the Executive Branch," Holder said in a statement. "This divisive action does not help us fix the problems that led to this operation or previous ones and it does nothing to...