 Complete the following phrase:  At the end of the Clinton administration, the United States opened a dialogue with Sudan on counterterrorism, and Sudan was receptive. The George W. Bush administration generally continued a tough policy toward Sudan, but the events of September 11, 2001, had a dramatic impact on the relationship. The United States moved counterterrorism to the highest foreign-policy priority, and Sudan, taking advantage of this new situation, stepped up its counterterrorism cooperation with the United States. President Bush nominated former Senator John Danforth as his special envoy for Sudan in 2001. Danforth focused on ending the 