That walled garden looks conceivable … sort of. Not tomorrow, but perhaps down the road a couple of years. Which brings up the question of the day: Is Jeff Bewkes the reincarnation of Jerry Levin who lost the bet big time to Steve Case? Or will that be Randall Stephenson? And only $84.5 billion! And the second question of the day: Will the impending marriage of AT&T (really, the ghost of Southwestern Bell with a name change to get the ticker symbol “T”) to Time Warner be a step on the accelerator toward a new world of content and conduit exclusivity -- umm, or a shift back to the pre-Internet days of AOL, Compuserv and Prodigy before they got religion about the World Wide Web?