Jumper is a visual stunning film-so much so that it is only after you leave the theater that you stop and ask yourself what it was about. We have a hero who can instantly transport to anywhere on earth-so long as he has been there before. Or at least, that seems to be the way it works in Jumper. Or maybe he can jump anywhere he sees a photo of. Or maybe he can jump to Oz if he gets a really good image of The Emerald City. No, it seems that he has to travel to the locales that…