FILE - In this Oct. 13, 2011 file photo, Sen. Rand Paul, R-Ky., left, accompanied by Sen. John McCain, R-Ariz., gestures during a news conference on Capitol Hill in Washington. Paul has called fellow Republican McCain “a little bit unhinged” after McCain said “the senator from Kentucky is now working for Vladimir Putin.” (AP Photo/Manuel Balce Ceneta, File)
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