Alexei Navalny, a vocal critic of Putin and leader in Russia's protest movement, could pose a tough threat to his presidential bid.
A slim -- and messy -- victory for the United Russia party in Sunday's elections foreshadows troubles for Vladimir Putin's coming bid for the presidency.
Exit polls from Sunday's State Duma elections show Vladimir Putin's ruling party winning less than half the votes.
Russian Prime Minister Vladimir Putin has trumpeted a system of 'managed democracy' that has virtually guaranteed his party's grip on Russian politics – until now.
Gorbachev calls it a 'bad copy' of the Communist Party. But the United Russia party has relentlessly trounced any serious opposition to Putin, who is now running for president again.