**FILE** Boris Yeltsin is shown with clenched fists as he led a group of anti-government protestors who parade through the Red Square after the official military parade ended in this November 7, 1990 file photo. Former President Boris Yeltsin, who engineered the final collapse of the Soviet Union and pushed Russia to embrace democracy and a market economy, has died, a Kremlin official said Monday, April 23, 2007. He was 76. (AP Photo/ Malkhaz Datikhashvili, File)