House Committee on Oversight and Government Reform member Rep. Mark Walker, R-N.C., left, speaks to a staff member on Capitol Hill in Washington, Wednesday, June 15, 2016.
House Committee on Oversight and Government Reform member Rep. Mark Walker, R-N.C., left, speaks to a staff member on Capitol Hill in Washington, Wednesday, June 15, 2016. Lauren Victoria Burke AP
House Committee on Oversight and Government Reform member Rep. Mark Walker, R-N.C., left, speaks to a staff member on Capitol Hill in Washington, Wednesday, June 15, 2016. Lauren Victoria Burke AP