Republican presidential candidate and former Florida Gov. Jeb Bush talks to voters at the Scott County Republican Party's Ronald Reagan Dinner on Tuesday in Bettendorf, Iowa. Charlie Neibergall/AP hide caption

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Former Republican presidential candidate Mitt Romney spoke at the Washington Ideas Forum with James Bennet of The Atlantic on Wednesday. Win McNamee/Getty Images hide caption

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Pope Francis is greeted by President Obama after arriving outside Washington, D.C., on Tuesday. Chip Somodevilla/Getty Images hide caption

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