At first blush, Kim Kardashian seemed indistinguishable from any of the 20-something actresses, models and socialites whose faces littered the pages of gossip magazines and web sites in the early millennium. Like so many of them, she had access to fabulous wealth, male companions of varying celebrity pedigrees, her own reality series and an uncanny ability to appear wherever the paparazzi were swarming at any given moment. But what separated Kardashian from that maddening crowd was not so much what she did but what she had – to wit, an inordinately bountiful posterior that demanded and