Few film stars ever look as happy as Hugh Jackman does when crooning and hoofing on award shows, or as he did playing Curley in that recorded-for-posterity production of Oklahoma! And when he's allowed to be that same sort of explosive musical-theatre charm bomb in The Greatest Showman, Jackman's enthusiasm is so infectious, and his talent so overwhelming, that for those few minutes, you can't imagine wanting to be anywhere else on Earth. Unfortunately, though, Jenny Bicks' and Bill Condon' script remains all-too-often earthbound.