Moscow utility Mosenergo is threatening to cut electricity to a scientific research center that has not paid its bill in more than three years. The problem for Mosenergo, and the research center's trump card, is that it stores strains of the most deadly diseases known to mankind. Located in Obolensk some 90 kilometers to the south of Moscow, the State Center for Applied Microbiology has not paid the utility since October 1998 and now owes 43.5 million rubles ($1.4 million), Mosenergo spokes-woman Yulia Shagelman said Thursday. But the center's head, Nikolai Urakov, said he cannot pay the energy bill because...