 I will oppose any attempts to subpoena White House officials ... My choice is to make sure that I safeguard the ability for Presidents to get good decisions.Despite the President's position against aides testifying, on March 21 the House Judiciary Committee authorized the subpoena of five Justice Department officials, and on March 22, the Senate Judiciary Committee authorized subpoenas as well.Sampson's replacement as the Attorney General's temporary chief of staff was U.S. Attorney for the Eastern District of Virginia, Chuck Rosenberg.