By EDITH M. LEDERER Associated Press UNITED NATIONS (AP) — The U.N. political chief says the year-old war in Sudan between rival generals vying for power has sparked “a crisis of epic proportions” fueled by weapons from foreign supporters who continue to flout U.N. sanctions aimed at helping end the conflict. Undersecretary-General Rosemary DiCarlo told Read this story at KIFI , KEYT