Everywhere you look this summer, there are movie remakes and retreads. “Is it any wonder this avalanche of retreads has come at a time when theater attendance is headed toward its lowest level since 1996? Young moviegoers, who make up the bulk of film audiences, crave surprise, sensation and authenticity. So if the multiplexes are full of homogenized pop baubles, why wouldn’t more people than ever be happy to stay home and fire up a DVD on their new plasma-screen TV?”