This story won't die. Oil from the Deepwater platform is still spewing, although at a much reduced rate, and oil that the toxic dispersant Corexit sank to the seabed is bubbling up again off the coast of Louisiana. The Corexit itself did not quickly break down and so killed any creatures that encountered it in the Gulf.
But now it turns out that BP introduced Genetically Modified oil-eating bacteria to the Gulf. This GM bacteria eats oil at twice the rate of natural oil-eating bacteria, but since its introduction it has been reproducing and mutating into bacteria about which we know nothing. Scientists are concerned