Now, to talk about U.S. policy towards Sudan, we're joined by Assistant Secretary of State for African Affairs Jendayi Frazer.

NPR: U.S. Officials Look for Political Solution to Darfur

Carson's predecessor, Jendayi Frazer, said she does not foresee much change in ties between Kenya and the United States.

CNN: STORY HIGHLIGHTS

Sudan claimed to be going after rebels, but the U.S. Assistant Secretary of State for Africa, Jendayi Frazer, rejected that explanation.

NPR: U.N.-Sudan Meeting to Highlight African Summit

U.S. Assistant Secretary of State Jendayi Frazier helped negotiate the deal between the government and the main rebel group in Darfur.

NPR: After Peace Deal, Next Steps in Darfur

Dr. JENDAYI FRAZER (Assistant Secretary of State for African Affairs): Well, the basic message was that the government of Sudan needs to take responsibility for ending the humanitarian crisis and the war in Darfur.

NPR: U.S. Officials Look for Political Solution to Darfur

U.S. envoy Jendayi Frazer toured the region Tuesday.

NPR: Kenya's Opposition Rejects Talks with Kibaki

Ms. JENDAYI FRAZIER (Assistant Secretary of State): Darfur is a region the size of Texas, and so we need at least 14, 000 troops, which we'll have to turn to the United Nations to get other countries involved.

NPR: After Peace Deal, Next Steps in Darfur

U.S. Secretary of State Condoleezza Rice also has sent diplomat Jendayi Frazer, who was to arrive in Kenya on Friday and meet with Kibaki, Odinga and other political leaders, State Department spokesman Sean McCormack said Thursday.

CNN: Opposition plans rally in Nairobi