[img]http://d.yimg.com/a/p/ap/20100606/capt.f76636d107804149b735cd2d9c505401-f76636d107804149b735cd2d9c505401-0.jpg?x=130&y=70&q=85&sig=Gh411VLVeD.1Vm8eL6rW1Q--[/img]AP - A containment cap was capturing more and more of the crude pouring from a damaged oil well in the Gulf of Mexico, but that bit of hope was tempered Sunday by a sharp dose of pragmatism as the federal government's point man warned the crisis could stretch into the fall.