The U.S. Court of Appeals for the Third Circuit affirmed that an employer may discharge a driver sales representative who suffers from alcoholism for violating a return to work agreement (RWA) that prohibits the use of drugs or alcohol in Ostrowski v. Con-way Freight, Inc., No. 12-3800, 2013 WL 5814131 (3d Cir. Oct. 30, 2013).…