UPDATED II: Memo to Holder - Congress is the first branch

Attorney Generals are expected to know the Constitution, so why does Eric Holder think the prerogatives of unelected political appointees override the authority of elected representatives of the people?

We know he does because it’s right there in black and white in Holder’s letter to President Obama endorsing his assertion of executive privilege to keep thousands of Department of Justice documents on the Fast and Furious scandal away from Congress.