Politicians talk a lot, and the more a politician talks, the greater the risk he or she will say something regrettable. If you run your mouth for 11 hours at a stretch, as Sen. Rand Paul (R-Ky.) is wont to do, the chance of putting your foot in it goes up correspondingly. So maybe it was statistically inevitable that Paul would cover himself in the opposite of glory by declaring, during his Monday Senate speech against National Security Agency counterterrorism surveillance, that "people here in town think I'm making a huge mistake. Some of them, I think, secretly want there...