President Obama signs a presidential memorandum in March of 2014 that directed the Department of Labor construct a new set of overtime rules, with the goal of making more employees eligible for overtime pay. Mark Wilson/Getty Images hide caption

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With less than two years left in his presidency, President Obama has been less scripted and appears less confined by politics. Saul Loeb/AFP/Getty Images hide caption

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American Journalist James Foley, pictured in 2011. Foley's beheading at the hands of the Islamic State militant group has forced a debate over how the U.S. balances its policy of not paying ransoms. Steven Senne/AP hide caption

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President Barack Obama might have just gotten his own Twitter account, but he's been tweeting for years, such as during this "Twitter Town Hall" in 2011. Charles Dharapak/AP hide caption

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The Two-Way

President Gets His Own Twitter Account: 'It's Barack. Really'

Obama's bio on @POTUS says he is "Dad, husband and 44th President of the United States."

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Visitors to the Smithsonian's National Air and Space Museum wait for it to reopen after widespread power outages caused many of the buildings along the National Mall in Washington to shut down temporarily on Tuesday. Andrew Harnik/AP hide caption

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