The government faces new pressures from the loss of territory and oil revenue to South Sudan, but the push for an Islamic constitution has much older roots.
President Bill Clinton ordered a cruise missile strike on the pharmaceutical factory in Khartoum in 1998; the Sudanese still haven't forgotten.
For many international fugitives, from Serbian General Ratko Mladic and Carlos the Jackal to Congolese warlord Bosco Ntaganda, the place to hide is in an open, urban setting.
Sudan President Omar al-Bashir today flew to Chad on his first visit to a full member of the International Criminal Court (ICC) since his arrest warrant was issued. He left amid a severe crackdown on press freedoms at home.
Hassan al-Turabi had called for President Bashir to surrender to the International Criminal Court on war-crimes charges.
The World Court could soon issue an arrest warrant for President Bashir on charges of genocide.