We've long known paper books are on the decline, but now we're seeing the first death knell for the fattest of them all. California's public utilities commission has ruled that it will no longer deliver doorstops residential phone books unless folks specifically ask for it -- a move that's expected to prevent 1,870 tons of material from entering the state's waste stream. Californians, like everyone else, can search the White Pages online, but they'll still be able to request a paper copy or CD-ROM if they're feeling old-fashioned. For now, though, the state will continue to ship government White Pages