President Obama has reason to smile. He's now just three votes shy of being able to sustain a veto of a resolution of congressional disapproval of his Iran nuclear deal — that is, of being able to advance the deal over Republican objections. Saul Loeb/AFP/Getty Images hide caption

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New Hampshire voters can take selfies, not only with their favorite candidates but with ballots marked for their favorite candidates. A federal judge has knocked down a ban on "ballot selfies." Cheryl Senter/AP hide caption

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Voters in Los Angeles County, Calif., cast their ballots in 2012. Frederic J. Brown/AFP/Getty Images hide caption

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