AMSTERDAM, Netherlands - Former Yugoslav leader Slobodan Milosevic, the so-called "butcher of the Balkans" being tried for war crimes after orchestrating a decade of bloodshed during his country's breakup, was found dead Saturday in his prison cell. He was 64. Milosevic, who suffered chronic heart ailments and high blood pressure, apparently died of natural causes and was found in his bed, the U.N. tribunal said, without giving an exact time of death. He had been examined following frequent complaints of fatigue or ill health that delayed his trial, but the tribunal could not immediately say when his last medical checkup...