WASHINGTON -- After an elderly couple got the boot from their local McDonald's for sitting too long, management and the owner are not answering the question if there really is a 30-minute sitting limit at the Culpeper, Va. fast food restaurant. Carl Becker, 87, a World War II veteran, and his wife Barbara Becker, 81, say they both were at the Culpeper McDonald's on Feb. 21 at about 2:30 p.m. when they were approached by the manager. The location is a place the pair has frequented for years. "And he says 'You two are going to have to leave.' He...