RUDOLPH Giuliani, the flamboyant former New York mayor, suffered a personal embarrassment yesterday when a judge ordered him clean up his private life. A court overseeing the politician’s divorce case ruled that his two teenage children can no longer to stay at his Manhattan home while his girlfriend, Judith Nathan, is sleeping there. Judge Judith Gische said the overnight presence of Ms Nathan, 46, would have a detrimental effect on the youngsters - at least until the conclusion of Mr Giuliani’s battle with his estranged wife, Donna Hanover. In an eight-page ruling she concluded that Andrew, 16, and Caroline, 12,...