August was a month of celebration for libertarians, especially libertarian-leaning Republicans, but September is shaping up to be more of a fight.

Ron Paul , the former 12-term congressman from Texas and two-time candidate for the Republican presidential nomination, celebrated his 90th birthday last month. He has been gone from Capitol Hill since 2013, though he remains an active commentator on public affairs.

In Paul’s place is his son, Sen. Rand Paul (R-KY), who is set to become Kentucky’s senior senator when Sen. Mitch McConnell (R-KY) retires, and fellow Bluegrass State lawmaker Rep. Thomas Massie (R-KY). Both men follow in the elder Paul’s footsteps, not always to the benefit of Republican congressional leaders trying to whip votes for must-pass legislation.

Now that the Rep

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