Homeland Security: Forget about foreign jihadists getting nukes or planting bombs in their underwear. The real enemies, some say, are domestic militia groups who play at war and those nasty Tea Party racists. The raid on a Michigan militia group accused of plotting war against the government will no doubt feed into the arguments of those who claim in the wake of health reform that the vast right-wing conspiracy is not only angry, but armed and dangerous. According to an Associated Press report, "Authorities said the arrests underscored the dangers of homegrown right-wing extremism of the sort seen in the...