Former Secretary of State Hillary Clinton speaks during the annual Clinton Global Initiative meeting in New York City on Wednesday. Ramin Talaie/Getty Images hide caption

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President Obama arrives on the South Lawn of the White House on Friday. Evan Vucci/AP hide caption

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Sen. Marco Rubio, R-Fla., walks toward the stage as he is introduced at a Faith and Freedom Coalition conference in June. Charles Dharapak/AP hide caption

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