Mushrooms Versus Mushroom Clouds

We were already impressed with fungi. They gave us penicillin and vision quests, and can turn bland cheese into a delicious blue stilton. Now we hear that a common fungus may be able to clean up battlefields contaminated with radioactive uranium. Is there anything this kingdom of organisms can't do?

(The 2002 article from Salon, "How mushrooms will save the world," answers the question in the negative.)