
Secretary of State Hillary Rodham Clinton will testify before Congress about the attack on the U.S. Consulate in Benghazi, Libya, before she steps down. (Associated Press)

** FILE ** President Barack Obama pauses while speaking in San Jose, Calif., Friday, June 7, 2013. The president defended his government's secret surveillance, saying Congress has repeatedly authorized the collection of America's phone records and U.S. Internet use. (AP Photo/Evan Vucci)

**FILE** Citizens gather at a rally against federal legislation on climate change in Greeley, Colo., on Aug. 25, 2009. A billboard covered with signatures and topped with the words "Shame on you!" stood at the entrance of the event, organized by the American Petroleum Institute. The confluence of different interests has made Weld County a frequent stop for members of Congress interested in how the legislation is playing outside of Washington. (Associated Press)

**FILE** Citizens gather at a rally against federal legislation on climate change in Greeley, Colo., on Aug. 25, 2009. A billboard covered with signatures and topped with the words "Shame on you!" stood at the entrance of the event, organized by the American Petroleum Institute. The confluence of different interests has made Weld County a frequent stop for members of Congress interested in how the legislation is playing outside of Washington. (Associated Press)

** FILE ** President Barack Obama pauses while speaking in San Jose, Calif., Friday, June 7, 2013. The president defended his government's secret surveillance, saying Congress has repeatedly authorized the collection of America's phone records and U.S. Internet use. (AP Photo/Evan Vucci)

John Kinley Tener, a former professional baseball player who served in the House of Representatives and was governor of Pennsylvania, established the Congressional Baseball Game in 1909. (Library of Congress)

John Kinley Tener, a former professional baseball player who served in the House of Representatives and was governor of Pennsylvania, established the Congressional Baseball Game in 1909. (Library of Congress)

** FILE ** President Barack Obama pauses while speaking in San Jose, Calif., Friday, June 7, 2013. The president defended his government's secret surveillance, saying Congress has repeatedly authorized the collection of America's phone records and U.S. Internet use. (AP Photo/Evan Vucci)

President Obama pauses while speaking in San Jose, Calif., on June 7, 2013. The president defended his government's secret surveillance, saying Congress has repeatedly authorized the collection of America's phone records and U.S. internet use. (Associated Press