Smithfield hams hang outside the Taste of Smithfield restaurant and gourmet market in Smithfield, Va. Shuanghui International Holdings plans to buy Smithfield Foods, the world's biggest hog producer. Rich-Joseph Facun/Reuters/Landov hide caption

itoggle caption Rich-Joseph Facun/Reuters/Landov

In this photo provided by Mouaz Moustafa and the Syrian Emergency Task Force, Sen. John McCain, accompanied by Moustafa (right) visits rebels in Syria on Monday. McCain, who slipped into the country for a surprise visit, favors providing arms to rebel forces in Syria. Mouaz Moustafa/AP hide caption

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Chris Crane, president of the union that represents deportation agents, officers and employees of U.S. Immigration and Customs Enforcement, testifies before the Senate Judiciary Committee in April. Crane has been a vocal opponent of the proposed immigration overhaul. Andrew Harnik/The Washington Times/Landov hide caption

itoggle caption Andrew Harnik/The Washington Times/Landov

A bill proposed by the Senate's Gang of Eight (from left, Jeff Flake, R-Ariz.; Marco Rubio, R-Fla.; Charles Schumer, D-N.Y.; John McCain, R-Ariz.; Lindsey Graham, R-S.C.; Bob Menendez, D-N.J.; Dick Durbin, D-Ill.; and Michael Bennet, D-Colo.) has passed out of committee and is headed for the full Senate. But the fate of the issue in the House is less clear. Alex Wong/Getty Images hide caption

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Texas Gov. Rick Perry addresses the opening session of the Texas Legislature in Austin earlier this year. Eric Gay/AP hide caption

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Lois Lerner, head of the IRS unit that decides whether to grant tax-exempt status to groups, leaves after being dismissed from a House Oversight and Government Reform Committee hearing on Wednesday. J. Scott Applewhite/AP hide caption

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Ousted IRS chief Steve Miller (right) and J. Russell George, a Treasury inspector general, take the oath before testifying on before the House Ways and Means Committee on Friday. Charles Dharapak/AP hide caption

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The John Weld Peck Federal Building in Cincinnati, where many of the missteps by IRS workers who targeted conservative groups occurred. Al Behrman/AP hide caption

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Vice President Spiro Agnew (right) and former President Lyndon Johnson view the liftoff of Apollo 11 from the stands at the Kennedy Space Center on July 16, 1969. NASA/Getty Images hide caption

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