Tamara KeithTamara Keith is a NPR White House Correspondent.
Tamara Keith covers business for NPR.
Outgoing acting Internal Revenue Service Commissioner Steve Miller (right) and Treasury Inspector General for Tax Administration J. Russell George are sworn in before a full House Ways and Means Committee hearing in May.
Nicholas Kamm/AFP/Getty Images
Rep. Sander Levin, D-Mich., listens as ousted IRS Chief Steve Miller and J. Russell George, Treasury inspector general for tax administration, testify during a House Ways and Means Committee hearing on May 17.
House Oversight and Government Reform Committee Chairman Darrell Issa (right) speaks with the committee's ranking Democrat, Elijah Cummings, earlier this month, during a hearing on IRS conference spending.
Lois Lerner, head of the IRS unit that decides whether to grant tax-exempt status to groups, leaves a House Oversight and Government Reform Committee hearing in May.
J. Scott Applewhite/AP