Judge Posner is probably not politically "conservative" anymore though, he actually wrote an article saying he had become a believer in Keynesian economics. If you're not a Christian and you're Keynesian, are you really a conservative in 2014? I would say no. And there's the money quote from Posner,
That said, Posner destroyed the lawyers in those clips. It's a beautiful thing. Although it's not really fair. The government in these cases has no good arguments because there are no good arguments for their side.