There's new fear that violence may grow even worse in Darfur. Sudan's government wants international forces out. If they go, humanitarian groups may follow. Can anyone bring peace to Darfur?
Bruno Jochum, director of operations, Doctors without Borders
Mark Malloch Brown, Deputy Secretary-General of the United Nations
Jendayi E. Frazer, U.S. Assistant Secretary of State/Bureau of African Affairs