THE HAGUE, Netherlands - Dutch pathologists performed an autopsy on Slobodan Milosevic's remains Sunday amid claims by the former Yugoslav leader's supporters that he was poisoned and a statement by the chief U.N. war crimes prosecutor raising the possibility he committed suicide. ADVERTISEMENT Milosevic, 64, had been ailing throughout the trial, suffering from high blood pressure and headaches. He asked the tribunal for permission to seek treatment in Russia, but that request was denied. Milosevic was found dead in his cell Saturday morning, abruptly ending his four-year U.N. war crimes trial for orchestrating a decade of conflict that killed 250,000...