The World's Most Powerful People - #3 Vladimir Putin by the Forbes MagazinePrime Minister might as well be known as Czar, Emperor and Autocrat of All the Russians. Vastly more powerful than his handpicked head-of-state, President Dmitry Medvedev. Presides over one-ninth of Earth's land area, vast energy and mineral resources. Former KGB officer unafraid to wield his power; invading Georgia, cutting off natural gas supplies to Ukraine or Western Europe (again). Declared nuclear power has veto on U.N.'s Security Council.