Rep. Mike Rogers, R-Mich., during an appearance last year on CBS News' Face the Nation. The chairman of the House Intelligence Committee says he won't seek re-election in November. Chris Usher/AP hide caption

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Former Secretary of Defense James Schlesinger speaks at the Council on Foreign Relations in New York in December, 2006. Brendan McDermid/Reuters/Landov hide caption

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Former IRS official Lois Lerner raises her hand as she's sworn in Wednesday at the start of a House Oversight & Government Reform Committee hearing. She declined to answer questions posed by Chairman Darrell Issa, invoking her Fifth Amendment right. Chip Somodevilla/Getty Images hide caption

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New Jersey Gov. Chris Christie leaves the Fort Lee, N.J., City Hall on Jan. 9. Louis Lanzano/AP hide caption

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