IRS Commissioner John Koskinen testifies on Capitol Hill in Washington, Thursday, April 6, 2017, before the Senate Finance Committee.
IRS Commissioner John Koskinen testifies on Capitol Hill in Washington, Thursday, April 6, 2017, before the Senate Finance Committee. Cliff Owen AP
IRS Commissioner John Koskinen testifies on Capitol Hill in Washington, Thursday, April 6, 2017, before the Senate Finance Committee. Cliff Owen AP