14-politics/Sudanese vice president urges constructive dialogue on Darfur crisis, rejects threats of sanctions 2 Khartoum Taha said he had discussed "consolidating the security situation in Darfur" in his talks with the head of USAID, Andrew Natsios, in Khartoum on Tuesday. "We have agreed to many points to the effect that if we have proper coordination from all sides, then the government will be ready to see to it that all the militias in Darfur would come to abide and respect the cease-fire arrangement," Taha said.