Supporters of pro-Kremlin's United Russia party and demonstrators wave flags during a rally marking International Workers' Day, or Labour Day, in Moscow

United Russia party and government-linked trade unions take to the streets to mark May Day in Moscow, Russia, Friday, May 1, 2009. The turnout and tenor of the rallies organized by Putin's dominant United Russia party and government-linked trade ...

081120) -- MOSCOW, Nov. 20, 2008 -- Russian Prime Minister and leader of the ruling United Russia party Vladimir Putin speaks at the 10th United Russia party congress in Moscow, Russia, Nov. 20, 2008. Vladimir Putin proposes suggestions during his speech such ...

081120) -- MOSCOW, Nov. 20, 2008 -- Russian Prime Minister and leader of the ruling United Russia party Vladimir Putin speaks at the 10th United Russia party congress in Moscow, Russia, Nov. 20, 2008. Vladimir Putin proposes suggestions during his speech such ...