Them Crooked Vulture THEM CROOKED VULTUREOften, supergroups wind up dominated by one particular personality think Eric Clapton in Derek & the Dominos, Jack White in the Raconteurs which makes the egalitarianism of Them Crooked Vultures all the more remarkable. Of course, when it comes down to it, it's a group of three natural born collaborators: John Paul Jones, the old studio pro who gravitated toward provocative partners after Led Zeppelin's demise, teaming up with R. E. M. as easily as he