Comment: Hassan Turaibi has been a friend of some of Sudan's most brutal dictators. After setting himself up as an opponent when he fell out favour with President Bashir, Turaibi is looking to return to power.
Comment: US foreign policy is hard-nosed realpolitik with an veneer of idealism. It supported Mubarak for 30 years, then acquiesced in the overthrow of Egypt’s fledgling democracy with barely a murmur of objection.
Sudan is under local and international pressure to tighten restrictions on slavery, but there are suggestions that the government is complicit in human trafficking.