If Sarah Palin’s not running for president, what a terrible waste that would be of the single best stump speech I’ve heard since, well, Palin’s ’08 convention speech, which just happened to be the single most electrifying political moment of my adult life. A thrill didn’t just run up my leg that night, it ran up everything in me that’s American, and today in Madison, WI, it happened again. Surrounded by an obnoxiously hostile, astro-turfed, pro-union crowd that tried and failed to drown out her message with obnoxiously hostile astro-turfed noise, the former Alaskan Governor took the fight directly to...