No, Ron Paul isn't a martial arts master. The Jay Leno clip is a spoof on the fact that Paul won't accept Secret Service protection. But if he did, his code name would be 'Bulldog.'
Just because Census worker Bill Sparkman was found hanging from a tree with the word 'fed' written on his chest doesn't mean he was murdered in an antigovernment act. Sparkman died in an insular county of moonshiners and pot-growers, and police are wary of taking a wrong step.