Internal Revenue Service (IRS) Commissioner John Koskinen testifies on Capitol Hill in Washington, Friday, June 20, 2014, before the House Ways and Means Committee.
Internal Revenue Service (IRS) Commissioner John Koskinen testifies on Capitol Hill in Washington, Friday, June 20, 2014, before the House Ways and Means Committee. AP
Internal Revenue Service (IRS) Commissioner John Koskinen testifies on Capitol Hill in Washington, Friday, June 20, 2014, before the House Ways and Means Committee. AP

IRS chief refuses to apologize for lost emails

June 20, 2014 3:37 PM