A possible DOJ antitrust lawsuit veruss Apple and publishers may swing too much power towards Amazon, Authors Guild president Scott Turow said in the combination of an open letter and editorial Wednesday. He likened Amazon to a "Darth Vader" for Bloomberg, calling it a very successful company but a "frequently unscrupulous" firm. Until Apple's entrance and demands for an agency model in the iBookstore, where publishers set the prices, Amazon was pricing Kindle e-books below cost, both accelerating the death of physical bookstores and making it difficult for other e-bo