( October 1, 2013) -- A trial in the closely watched antitrust case involving the Justice Department’s challenge to Bazaarvoice Inc.’s $168.2 million acquisition of PowerReviews Inc., began last week in federal court in the Northern District of California. The Department contends the deal, which was consummated last year, substantially lessens competition in the market for product ratings and reviews platforms, resulting in higher prices and a diminution in competition....