What are legends for if not reinventing?--and/or hyper-inflating into Hollywood summer fare? In retooling the Arthurian legend for the goth-beguiled video game age, mega-producer Jerry Bruckheimer did away with details small (the lady in the lake, sword in the stone, etc.) and large (this Arthur is actually Eastern European, by way of Rome). Composer Hans Zimmer picks up that gauntlet, producing ...