President Obama hugs Justice Ruth Bader Ginsburg prior to delivering his 2011 State of the Union address. Pablo Martinez Monsivais/AP hide caption

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People wait in line outside the Supreme Court in Feb. 2013 to listen to oral arguments in the Shelby County, Ala., v. Holder voting rights case. Evan Vucci/AP hide caption

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The Supreme Court is expected to take up the case on the greenhouse gas permits for large polluters early next year. Susan Walsh/AP hide caption

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Lining up to be married: Adam Chandler, 33, left, and Ivan Chandler, 38, both of Citrus Heights, were among those waiting in line Saturday to get married at San Francisco City Hall. Doug Duran/Bay Area News Group/MCT/Landov hide caption

itoggle caption Doug Duran/Bay Area News Group/MCT/Landov

U.S. Army Captain Michael Potoczniak (right) embraced his partner of 10 years Todd Saunders as they obtained their marriage license at City Hall in San Francisco on Saturday. Stephen Lam /Reuters /Landov hide caption

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Gay rights activist Vin Testa of DC waves a flag outside the U.S. Supreme Court building on Tuesday in Washington, DC. Win McNamee/Getty Images hide caption

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