Rite Aid, one of the largest U.S. pharmacy chains, received permission from a U.S. judge on Thursday to begin voting on a bankruptcy restructuring plan that would turn over most of the company's equity to its bondholders, while still leaving open the possibility of a sale. U.S. Bankruptcy Judge Michael Kaplan approved Rite Aid's voting proposal at a court hearing in Trenton, New Jersey, saying that the bankruptcy case needed to move quickly to avoid further restructuring costs that could push th