Ted Cruz, left, and David Dewhurst shake hands before their Republican Senate debate in Dallas on June 22. LM Otero/AP hide caption

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President Obama speaks at the Fox Theater in Oakland, Calif., on Monday. Saul Loeb/AFP/Getty Images hide caption

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Will these Green Bay fans be cheering as much as they did during the 2011 Super Bowl when their beloved Packer games are interrupted by local political ads this fall? Matt Ludtke/Getty Images hide caption

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President Obama meets with Jason and Ali McLaughlin and their son, Cooper, while visiting their home in Cedar Rapids, Iowa. Susan Walsh/AP hide caption

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President Obama at a stop on his bus tour of Ohio in Port Clinton on July 5. Jim Watson/AFP/Getty Images hide caption

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President Obama waves after signing the Affordable Care Act at the White House on March 23, 2010. Chip Somodevilla/Getty Images hide caption

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Republican presidential candidate Mitt Romney makes a pie shell with store owner Linda Hundt during a campaign stop Tuesday in DeWitt, Mich. Joe Raedle/Getty Images hide caption

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Yard signs supporting U.S. Senate candidate Richard Mourdock in Columbus, Ind., on April 23. Mourdock went on to beat incumbent Sen. Dick Lugar in a primary race that received national attention, and a flood of money from outside Indiana. Curtis Tate/MCT /Landov hide caption

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President Obama meets with actor George Clooney, U.S. Special Envoy for Sudan Princeton N. Lyman, and human rights activist John Prendergast (far left) at the White House on March 15. Pete Souza/White House hide caption

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Pastor Warren H. Stewart of First Institutional Baptist Church in Phoenix joins other clergy members to demonstrate against SB 1070. John Rose/NPR hide caption

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