** FILE ** President of the Russian Federation Boris Yeltsin is shown in this November 29, 1990 file photo at the Kremlin. Yeltsin, who engineered the final collapse of the Soviet Union and pushed Russia to embrace democracy and a market economy as the country's first post-Communist president, has died, a Kremlin official said Monday, April 23, 2007. He was 76. (AP Photo/Alexander Zemlianichenko)