Rep. Darrell Issa, chairman of the House Oversight and Government Reform Committee, sent a subpoena Wednesday to Attorney General Eric Holder as part of his investigation into the gun trafficking operation known as "Fast and Furious." "Top Justice Department officials, including Attorney General Holder, know more about Operation Fast and Furious than they have publicly acknowledged," the California Republican said in a statement. "The documents this subpoena demands will provide answers to questions that Justice officials have tried to avoid since this investigation began eight months ago. It's time we know the whole truth." The subpoena seeks, among other things,...