(December 29, 2012) -- The Justice Department’s antitrust division can chalk up another victory, with its recent announcement that Penguin Group (USA) Inc.—one of the largest book publishers in the United States—has agreed to settle a case that charged the company with conspiring to raise e-book prices to consumers. The department’s announcement said the settlement, filed in the U.S. District Court for the Southern District of New York on December 18, will resolve its competitive concerns and end Penguin’s role as a defendant in the civil antitrust lawsuit filed on April 11, 2012....