Glenn Beck, one-time shock jock now wildly emotive and popular TV political conspiracy theorist, is airing his last regular show on the Fox network tonight. He plans to stride from the Fox studio after his nightly show to the home of his new “GBTV” outlet to do a post-Fox interview– not with any media talking head but with regular people who will participate in a live Q&A. To hear GB talk about his new venture, it’s going to be typically low key and free of grandiose aspirations