Richard Herring: Happy Now? | Lolly Adefope | Adam Hills: Clown HeartThe default position for a stand-up comedian is that of a surly complainer: from Billy Connolly to Josh Widdicombe, griping has always been an effective way of generating gags. On the other hand, it is possible to find stand-up that's much more upbeat: acts as diverse as Josie Long and Rob Beckett have found that a sunny disposition is no barrier to…
