The decision to fund medications to treat H.I.V.-AIDS patients in sub-Saharan Africa and the Caribbean flew in the face of expert advice. But the U.S. did it anyway.

Judges at a special U.N. tribunal said they would create a procedure to allow them to hear evidence in the case against Félicien Kabuga, who has dementia, without the possibility of a conviction.

Hundreds have been killed in the western Darfur region since the nationwide conflict in Sudan began, raising fears of protracted warfare in an area already torn by decades of genocidal violence.