Some big-screen adaptations of TV hits don't demand any real knowledge about the show to enjoy them -- like, for instance, the South Park
movie. Some, like the first X-Files
film, do. Hannah Montana: The Movie
, however, requires a pre-digested knowledge of, and unconditional love for, the titular pop princess. So as a service to everyone else, here's the sitcom's setup: typical high schooler Miley Stewart (Miley Cyrus) keeps a secret from everyone but her closest friends -- she's actually the superstar singing sensation Hannah Montana. She maintains a double life because she wants, as her theme song states, "the best of both worlds" -- the perks ...