In news from Sudan, a senior UN official is warning that the death toll in the country’s Darfur region may have already reached 50,000. Earlier estimates put the death toll at about 30,000. The UN is accusing government-backed Arab militias of ethnic cleansing and genocide against the region’s black African population. More than 1 million black Africans have already fled their homes. And the European Union has joined the U.S. in threatening sanctions against Sudan.