UNITED NATIONS - A former Russian top spy says his agents helped the Russian government steal nearly $500 million from the U.N.'s oil-for-food program in Iraq before the fall of Saddam Hussein in 2003. Sergei Tretyakov, who defected to the United States in 2000 as a double agent, says he oversaw an operation that helped Saddam's regime manipulate the price of Iraqi oil sold under the program — and allow Russia to skim profits. Tretyakov, former deputy head of intelligence at Russia's U.N. mission from 1995 to 2000, names some names, but sticks mainly to code names. Among the spies...