PERTH prostitutes were reeling from exhaustion following an influx of United States sailors stressed from a stint in a war zone, a well-known madam said today. Mary-Anne Kenworthy said she was forced to close the doors of her famous Langtrees brothel for only the third time ever yesterday because her prostitutes were so worn out they could no longer provide a quality service. When she realised the sex workers just couldn't cope any more she closed Langtrees doors for a day rather than risk the brothel's reputation. "We're the biggest and the best, I'd rather take nothing than offer a...