Five-timers club. After a dramatic year that included a stint in rehab, comedy superstar and former SNL writer John Mulaney made a triumphant return to the show for his fifth time hosting. As always, this marks an occasion to celebrate, even if fellow five-timers Steve Martin, Tina Fey, Candace Bergen, Paul Rudd, Conan O’Brien and Elliot Gould think the club is getting a little too big and “not special”. The volume of jokes – everyone gets at least one moment to shine – are matched only by the sheer star...