Outgoing New York City Mayor Michael Bloomberg speaks during an August news conference after officially opening the new Hunter's Point South Waterfront Park in Queens. John Minchillo/AP hide caption

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President Obama speaks to current and retired members of the U.S. military and their families as they eat a Christmas Day meal in the Anderson Hall mess hall at Marine Corps Base Hawaii on Wednesday. Getty Images hide caption

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Sen. Rand Paul (R-Ky.) greets supporters during a tea party rally in front of the U.S. Capitol in June. Paul was a rising star in the tea party movement this year, filibustering a CIA nomination in March. Mark Wilson/Getty Images hide caption

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A few of President Obama's comments at his year-end news conference were the kind that could rankle political allies and opponents alike. Susan Walsh/AP hide caption

itoggle caption Susan Walsh/AP