Charlie Rangel's deputy chief of staff, Geoffrey Eaton, threw such a fit over a missing umbrella during Thursday night's downpour at Harlem's popular Chez Lucienne restaurant that management had to call police to escort him out. According to witnesses, Eaton, 52 -- who's also president of the NAACP's Midtown branch -- flew into a rage after a meal alone at the bar of the Lenox Avenue bistro when the staff couldn't find the umbrella he insisted he'd left by the door on his way in. "He yelled at everyone, even the customers," said the manager on duty, who asked not...