text: Envoy Chides Darfur Negotiators for Lack of Urgency  ABUJA, Nigeria (Reuters) - Warring parties in Sudan's  western Darfur region are showing no urgency in the search for  a political solution to a conflict that has caused a  humanitarian catastrophe, the top U.N. envoy in Sudan said  Wednesday.
inputs: Envoy Chides Darfur Negotiators for Lack of Urgency  ABUJA, Nigeria (Reuters) - Warring parties in Sudan's  western Darfur region are showing no urgency in the search for  a political solution to a conflict that has caused a  humanitarian catastrophe, the top U.N. envoy in Sudan said  Wednesday.