“I was very successful since I was a kid,” Tom Cruise told a full house at the Academy Museum’s 945-seat David Geffen Theater following a screening of Digger. That stardom has led him in search of ever bigger challenges, learning new skills and finding opportunities to apply them. As he put it: “OK, the door’s open. Now I want to push it again.” He has certainly done that with Digger, Alejandro G. Iñárritu’s wildly ambitious, deeply weird and extravagantly mounted comedy, in which Cruise plays a Texas oil tycoon forced to face the music after an environmental disaster puts the world at risk. The Warner Bros. release, arriving just as…
