What a glorious treat this is. Billy Crystal starred in this tribute to his parents and family life in 2004, as a limited-run, Tony-winning one-man Broadway show, and revived it a decade later – and during the second run, filmed a pair of performances so that it could be presented, and preserved, as an HBO Comedy Special. Crystal’s performance is a delight from start to finish, but that’s less of a surprise than how well-written, and how effectively and impressive structured, t