Russian independent candidate, billionaire Mikhail Prokhorovo votes during presidential elections in the settlement of Pamyati 13 Bortsov, outside Russia's Siberian city of Krasnoyarsk on March 4, 2012. Russians in the country's far east started voting in presidential polls likely to return strongman Vladimir Putin to the Kremlin for a third term, officials said. AFP PHOTO / POOL / MAXIM MARMUR

Women cast their ballots at a polling station in Moscow, on March 4, 2012. Russians voted today in presidential polls expected to return strongman Vladimir Putin to the Kremlin for a record third term, despite a wave of protests against his 12 years of domination. AFP PHOTO / YURI KADOBNOV

Vladimir Zhirinovsky, presidential candidate for the Liberal Democratic Party of Russia (LDPR) casts his ballot in a polling station in Moscow, on March 4, 2012. Russians voted today in presidential polls expected to return strongman Vladimir Putin to the Kremlin for a record third term, despite a wave of protests against his 12 years of domination. AFP PHOTO / JOHN MACDOUGALL

A woman casts her ballot in a rural polling station outside the Siberian city of Novosibirsk, on March 4, 2012. Russians voted today in presidential polls expected to return strongman Vladimir Putin to the Kremlin for a record third term, despite a wave of protests against his 12 years of domination. AFP PHOTO / VALERY TITIEVSKY

Russian billionaire and presidential candidate Mikhail Prokhorov exits a cabin at a polling station outside Krasnoyarsk, Russia, Sunday, March 4, 2012. Russians headed to the polls Sunday to vote in the country's presidential election. (AP Photo/Yuri Antonov)

A man in a voting booth fills in his ballot at a polling station during presidential election in St.Petersburg, Russia, Sunday, March 4, 2012. Polling stations have opened across Russia's vast expanse for the presidential election widely expected to return Vladimir Putin to the Kremlin. (AP Photo/Dmitry Lovetsky)

A woman casts her ballot as the police guard at a polling station during presidential election in St.Petersburg, Russia, Sunday, March 4, 2012. Polling stations have opened across Russia's vast expanse for the presidential election widely expected to return Vladimir Putin to the Kremlin. (AP Photo/Dmitry Lovetsky)

Russia's President Dmitry Medvedev casts his ballot in a polling station in Moscow, on March 4, 2012. Russians voted today in presidential polls expected to return strongman Vladimir Putin to the Kremlin for a record third term, despite a wave of protests against his 12 years of domination. AFP PHOTO / POOL / KIRILL KUDRYAVTSEV

Russia's President Dmitry Medvedev smiles after casting his ballot in a polling station in Moscow, on March 4, 2012. Russians voted today in presidential polls expected to return strongman Vladimir Putin to the Kremlin for a record third term, despite a wave of protests against his 12 years of domination. AFP PHOTO / POOL / KIRILL KUDRYAVTSEV

Russia's Communist Party leader and Presidential candidate Gennady Zyuganov casts his ballot at a polling station during presidential election in Moscow, Russia, Sunday, March 4, 2012. Russians headed to the polls Sunday to vote in the country's presidential election. (AP Photo/Mikhail Metzel)

Russian President Dmitry Medvedev casts his ballot in Moscow on Sunday, March 4, 2012. Polling stations have opened across Russia's vast expanse for the presidential election widely expected to return Vladimir Putin to the Kremlin. (AP Photo/Kirill Kudryavtsev, Pool)

Russian lawmaker and presidential candidate Vladimir Zhirinovsky casts his ballot at a polling station in Moscow on Sunday, March 4, 2012. Polling stations have opened across Russia's vast expanse for the presidential election widely expected to return Vladimir Putin to the Kremlin.(AP photo/Viktor Khabarov)

A woman with a boy casts her ballot at a polling station during presidential elections in Moscow, Russia, Sunday, March 4, 2012. Russians voted in the presidential elections expected to return Vladimir Putin to the Kremlin. (AP Photo/Mikhail Metzel)

Russian citizens vote in Russia's president election at a polling station inside a local drama theatre in the Kyrgyzstan's capital Bishkek, on March 4, 2012. AFP PHOTO / VYACHESLAV OSELEDKO

Russia's Prime Minister and presidential candidate Vladimir Putin (L) and his wife Lyudmila arrive in a polling station in Moscow, on March 4, 2012. Russians voted today in presidential polls expected to return Putin to the Kremlin for a record third term, despite a wave of protests against his 12 years of domination. AFP PHOTO/ ALEXANDER NEMENOV

Russia's Prime Minister and presidential candidate Vladimir Putin and his wife Lyudmila vote in a polling station in Moscow, on March 4, 2012. Russians voted today in presidential polls expected to return Putin to the Kremlin for a record third term, despite a wave of protests against his 12 years of domination. AFP PHOTO / ALEXANDER NEMENOV

Russia's Prime Minister and presidential candidate Vladimir Putin votes in a polling station in Moscow, on March 4, 2012. Russians voted today in presidential polls expected to return Putin to the Kremlin for a record third term, despite a wave of protests against his 12 years of domination. AFP PHOTO / YURI KADOBNOV

Russia's Prime Minister and presidential candidate Vladimir Putin (L) and his wife Lyudmila (R) receive their ballot in a polling station in Moscow, on March 4, 2012. Russians voted today in presidential polls expected to return Putin to the Kremlin for a record third term, despite a wave of protests against his 12 years of domination. AFP PHOTO / ALEXANDER NEMENOV

Police officers detain activists of Ukrainian group Femen trying to protest at a polling station in Moscow, March 4, 2012, shortly after Russia's Prime Minister and presidential candidate Vladimir Putin cast his ballot. Russians voted today in presidential polls expected to return Putin to the Kremlin for a record third term, despite a wave of protests against his 12 years of domination. AFP PHOTO / ILYA VARLAMOV

Police officers detain activists of Ukrainian group Femen trying to protest at a polling station in Moscow, March 4, 2012, shortly after Russia's Prime Minister and presidential candidate Vladimir Putin cast his ballot. Russians voted today in presidential polls expected to return Putin to the Kremlin for a record third term, despite a wave of protests against his 12 years of domination. AFP PHOTO / ILYA VARLAMOV