Qatar Sudan Dafur

Sudan's government representative Ghazi Salah Eddin Atabani, left, and rebel leader Al-Tijani Al-Sissi sign the truce documents in Doha Thursday March 18, 2010. Sudan's government and a collection of Darfur rebel groups have signed a cease-fire, opening the way for political negotiations ahead of a full peace agreement. (AP Photo/ Osama Faisal)