When you go to a stand-up show, the comedian is usually completely prepared. He or she knows 100 percent what to say, in what order the jokes should fall. Even when it seems like we're not on top of it, it's just part of the smokescreen. Every once in a while, some of us dive into the deep end of the pool, not knowing where it will end up. Do we drown or do we make the best dive, because when you get it right with improv, as we call it, it can be magical. Unfortunately, it's never really capture...