FILE - In this Sept. 26, 2014, file photo, Sen. Rand Paul, R-Ky. speaks in Washington. Paul is sprinting into the 2016 presidential primary season even with big challenges looming.The libertarian-minded Republican senator from Kentucky is set to visit several Western states this month before reintroducing himself to voters in Iowa, New Hampshire and South Carolina as operatives try to strengthen his national political network. (AP Photo/Manuel Balce Ceneta, File)
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