The largest country in Africa, Sudan is also the site of some of the continent's biggest challenges. Omar al-Bashir, the nation's Islamist leader who came to power in a 1989 coup, has been charged with war crimes by the International Criminal Court for directing the mass killing and rape that has devastated Sudan’s Darfur region since 2003. A decades-old civil war between the North and South ended with a fragile peace in 2005, but an upcoming vote on Southern independence threatens to derail the peace process. George Clooney and John Prendergast on how commitment from all parties involved—including the U.S.—can keep war from once again consuming this troubled nation. Click here to read the elements of a possible peace deal.