Mealey's (January 7, 2020, 7:02 AM EST) -- PITTSBURGH — A McDonald’s customer sued the restaurant’s corporate and Pittsburgh franchise owners on Dec. 11, alleging in a Pennsylvania state court that an employee’s assault left him paralyzed after a fight broke out between his wife and several McDonald’s employees (Mark Conn v. McDonald’s Corp., et al., No. 19-017863, Pa. Comm. Pls., Allegheny Co.)....