House Oversight and Government Reform Committee Chairman Rep. Darrell Issa, R-Calif., right, leaves as the committee's ranking member Rep. Elijah Cummings, D-Md., left, begins his statement on Capitol Hill in Washington, Wednesday, March 5, 2014, during the committee's hearing where former Internal Revenue Service (IRS) official Lois Lerner invoked her constitutional right not to incriminate herself. (AP Photo/Lauren Victoria Burke)