U.S.-Pakistan relations are in crisis. For Washington, Osama bin Laden's safe haven in Abbottabad raises questions about Pakistan's complicity and/or incompetence. For Islamabad, bin Laden's killing …

Across eight years, two administrations, and the direct interventions of a deputy secretary of state and three special envoys, U.S. attempts to promote a lasting peace for Darfur have failed. The mos…