Books of Big Ideas often polarize reviewers, and Bruce Sterling’s latest novel is no exception. Either the best SF book of this or any other year (Cory Doctorow) or “a mess of a book about the mess of the world” (John Clute), The Caryatids, at the very least, illustrates Sterling's ability to raise voices (in praise or protest) 30 years after he laid the groundwork for the cyberpunk movement, w...