I'll get to First Lady Laura Bush's bawdy stand-up routine in a minute. But I want to highlight a related new book out about how young conservatives are shaking up the dominant liberal media culture. It's called "South Park Conservatives." My name is listed on the cover along with many other (mostly) right-leaning pundits, websites, and bloggers, but I must confess to having mixed feelings about the honor. The best-selling book's author, Brian C. Anderson of the Manhattan Institute, writes a fun, breezy survey documenting the rise of talk radio, FOX News, the Internet, conservative publishing, and college Republican activism....