The top deputy to Attorney General Eric Holder announced his resignation on Thursday amid revelations that Operation Fast and Furious scandal guns were used to harm Americans in Phoenix in 2013, a development top congressional Republicans say President Obama’s administration sought to cover up. ... Holder, the attorney general, has failed to cooperate with the Fast and Furious congressional investigation led by Issa and Grassley. Holder was voted, on a bipartisan basis, into both criminal and civil contempt of Congress—a first in the history of the United States for a Cabinet-level official—after he failed to provide documents to Issa’s committee...