NEW YORK – (AP) Los Angeles billionaire Ron Burkle's Yucaipa Cos. has filed a complaint against Barnes & Noble Inc., saying the bookseller's shareholder rights plan is unfair and directors have breached fiduciary duties. Burkle and his Yucaipa Cos. own about 19 percent of the company's shares. Burkle sought to add to. . . . Full version available to lexis.com subscribers.