"As its title suggests, Norm Macdonald tells the story of his life--more or less--from his origins in a rural small town in the-back-of-beyond Canada to an epically disastrous appearance on Star Search, to his possibly incredible account of auditioning for Lorne Michaels and his memorable run as the anchor of Saturday Night Live's "Weekend Update." But Based on a True Story is much more than a memoir, it's a hilarious, inspired, very meta imagining...