A police boat patrols the waterways in the downtown area Monday in Tampa, Fla., site of the Republican National Convention. Scott Olson/Getty Images hide caption

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Republican vice presidential candidate Paul Ryan campaigns with his mother, Betty Ryan Douglas, on Saturday in The Villages, Fla. The Mitt Romney campaign has created an ad from the event. Phelan M. Ebenhack/AP hide caption

itoggle caption Phelan M. Ebenhack/AP

President Clinton signs the welfare reform law on Aug. 22, 1996. Stephen Jaffe /Reuters /Landov hide caption

itoggle caption Stephen Jaffe /Reuters /Landov

Republican National Committee officials on Monday unveiled the stage inside of the Tampa Bay Times Forum in preparation for the Republican National Convention. Tim Boyles/Getty Images hide caption

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President Obama said his health care law bolsters Medicare and Medicaid, but the Supreme Court has ruled that states can opt out of some changes to Medicaid. Carolyn Kaster/AP hide caption

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Republican vice presidential candidate Paul Ryan holds up a Green Bay Packers jersey during a campaign stop at the Iowa State Fair. Steve Pope/Getty Images hide caption

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Republican Rep. Steve King of Iowa (right) flips pork chops at the Iowa State Fair in Des Moines while Terry Aupperle of Wiota watches. Aupperle lives in Cass County. He can't vote for King anymore because of redistricting. Clay Masters/Iowa Public Radio hide caption

itoggle caption Clay Masters/Iowa Public Radio

Petitions for Referendum 74, which would provide a public vote on gay marriage, were submitted in June in Olympia, Wash. Elaine Thompson/AP hide caption

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California Gov. Jerry Brown, speaking in Sacramento on Wednesday, advocates a ballot initiative that would increase sales and income taxes. Several states have measures on the November ballot that seek to plug deficits by raising taxes. Rich Pedroncelli/AP hide caption

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Mitt Romney introduces Rep. Paul Ryan of Wisconsin as his vice presidential running mate Saturday in Norfolk, Va. Justin Sullivan/Getty Images hide caption

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Mitt Romney and Virginia Gov. Bob McDonnell were featured on the front page of a Chinese-language newspaper following a visit to the Northern Virginia's Asian-American community in June. Such engagements with the Asian community helped McDonnell win his current office. Courtesy of Peter Su hide caption

itoggle caption Courtesy of Peter Su