WASHINGTON, DC - MAY 22: Internal Revenue Service Director of Exempt Organizations Lois Lerner arrives for a hearing of the House Oversight and Government Reform Committee before refusing to testify and being excused May 22, 2013 in Washington, DC. The committee is investigating allegations that the IRS targeted conservative non-profit organizations with the words "tea party" and "constitution" in their names for additional scrutiny. Lerner, who headed the division that oversees exempt organizations, exercised her constitutional right not to answer questions. (Photo by Chip Somodevilla/Getty Images)
