At last! The wait is over! The prologue to The Dark Knight Rises is finally here… just to ratchet up our already maxed-out expectations for the climactic chapter in director Christopher Nolan’s Batman trilogy and make the wait for the whole thing (due July 20) feel even longer. The follow-up to The Dark Knight — set eight years after the Joker made a mess of Gotham City and a killing joke out of the caped crusader’s brand of vigilante justice — stars Oscar winner Christian Bale as Bruce Wayne/Batman, but the prologue (which actually represents the first several minutes of »