Activists from the Network of Putin Supporters group and pro-Kremlin youth movements carry flowers to give them out to subway passengers at the Pushkinskaya metro station in Moscow, on March 1, 2012, in an action they said was aimed at marking the beginning of spring. Despite the opposition protests, Russia's Prime Minister and presidential candidate Vladimir Putin is still widely expected to easily win the election, with the main intrigue focused on whether he will be able to win over 50 percent on March 4 and avoid a second round. AFP PHOTO / ALEXANDER NEMENOV

Activists from the Network of Putin Supporters group and pro-Kremlin youth movements carry flowers to give them out to subway passengers at the Pushkinskaya metro station in Moscow, on March 1, 2012, in an action they said was aimed at marking the beginning of spring. Despite the opposition protests, Russia's Prime Minister and presidential candidate Vladimir Putin is still widely expected to easily win the election, with the main intrigue focused on whether he will be able to win over 50 percent on March 4 and avoid a second round. AFP PHOTO / ALEXANDER NEMENOV

Activists from the Network of Putin Supporters group and pro-Kremlin youth movements give out flowers to subway passengers at the Pushkinskaya metro station in Moscow, on March 1, 2012, in an action they said was aimed at marking the beginning of spring. The heart-shaped placard reads: "Flowers instead of rallies!" Despite the opposition protests, Russia's Prime Minister and presidential candidate Vladimir Putin is still widely expected to easily win the election, with the main intrigue focused on whether he will be able to win over 50 percent on March 4 and avoid a second round. AFP PHOTO / ALEXANDER NEMENOV

Activists from the Network of Putin Supporters group and pro-Kremlin youth movements give out flowers to subway passengers at the Pushkinskaya metro station in Moscow, on March 1, 2012, in an action they said was aimed at marking the beginning of spring. Despite the opposition protests, Russia's Prime Minister and presidential candidate Vladimir Putin is still widely expected to easily win the election, with the main intrigue focused on whether he will be able to win over 50 percent on March 4 and avoid a second round. AFP PHOTO / ALEXANDER NEMENOV

Russian Presidential candidate, Prime Minister Vladimir Putin delivers a speech during a rally of his supporters at the Luzhniki stadium in Moscow on February 23, 2012. Prime Minister Vladimir Putin on Thursday vowed he would not allow foreign powers to interfere in Russia's internal affairs and predicted victory in an ongoing battle for its future. "We will not allow anyone interfere in our internal affairs," Putin said in a speech to more than 100,000 people packed into the stadium and its grounds at Moscow's Luzhniki stadium ahead of March 4 presidential elections. . AFP PHOTO/AFP PHOTO / YURI KADOBNOV

Russian Presidential candidate, Prime Minister Vladimir Putin delivers a speech during a rally of his supporters at the Luzhniki stadium in Moscow on February 23, 2012. Prime Minister Vladimir Putin on Thursday vowed he would not allow foreign powers to interfere in Russia's internal affairs and predicted victory in an ongoing battle for its future. "We will not allow anyone interfere in our internal affairs," Putin said in a speech to more than 100,000 people packed into the stadium and its grounds at Moscow's Luzhniki stadium ahead of March 4 presidential elections. . AFP PHOTO/AFP PHOTO / YURI KADOBNOV

Russian Presidential candidate, Prime Minister Vladimir Putin walks upstairs during a rally of his supporters at the Luzhniki stadium in Moscow on February 23, 2012. Prime Minister Vladimir Putin on Thursday vowed he would not allow foreign powers to interfere in Russia's internal affairs and predicted victory in an ongoing battle for its future. "We will not allow anyone interfere in our internal affairs," Putin said in a speech to more than 100,000 people packed into the stadium and its grounds at Moscow's Luzhniki stadium ahead of March 4 presidential elections. . AFP PHOTO/AFP PHOTO / YURI KADOBNOV

Russian Presidential candidate, Prime Minister Vladimir Putin waves to supporters during a rally at the Luzhniki stadium in Moscow on February 23, 2012. Prime Minister Vladimir Putin on Thursday vowed he would not allow foreign powers to interfere in Russia's internal affairs and predicted victory in an ongoing battle for its future. "We will not allow anyone interfere in our internal affairs," Putin said in a speech to more than 100,000 people packed into the stadium and its grounds at Moscow's Luzhniki stadium ahead of March 4 presidential elections. . AFP PHOTO/AFP PHOTO / YURI KADOBNOV

Russian Presidential candidate, Prime Minister Vladimir Putin delivers a speech during a rally of his supporters at the Luzhniki stadium in Moscow on February 23, 2012. Prime Minister Vladimir Putin on Thursday vowed he would not allow foreign powers to interfere in Russia's internal affairs and predicted victory in an ongoing battle for its future. "We will not allow anyone interfere in our internal affairs," Putin said in a speech to more than 100,000 people packed into the stadium and its grounds at Moscow's Luzhniki stadium ahead of March 4 presidential elections. . AFP PHOTO/AFP PHOTO / YURI KADOBNOV

Russian Presidential candidate, Prime Minister Vladimir Putin delivers a speech during a rally of his supporters at the Luzhniki stadium in Moscow on February 23, 2012. Prime Minister Vladimir Putin on Thursday vowed he would not allow foreign powers to interfere in Russia's internal affairs and predicted victory in an ongoing battle for its future. "We will not allow anyone interfere in our internal affairs," Putin said in a speech to more than 100,000 people packed into the stadium and its grounds at Moscow's Luzhniki stadium ahead of March 4 presidential elections. . AFP PHOTO/AFP PHOTO / YURI KADOBNOV

Russian Presidential candidate, Prime Minister Vladimir Putin delivers a speech during a rally of his supporters at the Luzhniki stadium in Moscow on February 23, 2012. Prime Minister Vladimir Putin on Thursday vowed he would not allow foreign powers to interfere in Russia's internal affairs and predicted victory in an ongoing battle for its future. "We will not allow anyone interfere in our internal affairs," Putin said in a speech to more than 100,000 people packed into the stadium and its grounds at Moscow's Luzhniki stadium ahead of March 4 presidential elections. . AFP PHOTO/AFP PHOTO / YURI KADOBNOV

Russian Presidential candidate, Prime Minister Vladimir Putin delivers a speech during a rally of his supporters at the Luzhniki stadium in Moscow on February 23, 2012. Prime Minister Vladimir Putin on Thursday vowed he would not allow foreign powers to interfere in Russia's internal affairs and predicted victory in an ongoing battle for its future. "We will not allow anyone interfere in our internal affairs," Putin said in a speech to more than 100,000 people packed into the stadium and its grounds at Moscow's Luzhniki stadium ahead of March 4 presidential elections. . AFP PHOTO/AFP PHOTO / YURI KADOBNOV

Russian Presidential candidate, Prime Minister Vladimir Putin delivers a speech during a rally of his supporters at the Luzhniki stadium in Moscow on February 23, 2012. Prime Minister Vladimir Putin on Thursday vowed he would not allow foreign powers to interfere in Russia's internal affairs and predicted victory in an ongoing battle for its future. "We will not allow anyone interfere in our internal affairs," Putin said in a speech to more than 100,000 people packed into the stadium and its grounds at Moscow's Luzhniki stadium ahead of March 4 presidential elections. . AFP PHOTO/AFP PHOTO / YURI KADOBNOV

Russian Presidential candidate, Prime Minister Vladimir Putin delivers a speech during a rally with his supporters at the Luzhniki stadium in Moscow on February 23, 2012. Prime Minister Vladimir Putin on Thursday vowed he would not allow foreign powers to interfere in Russia's internal affairs and predicted victory in an ongoing battle for its future. "We will not allow anyone interfere in our internal affairs," Putin said in a speech to more than 100,000 people packed into the stadium and its grounds at Moscow's Luzhniki stadium ahead of March 4 presidential elections. AFP PHOTO / YURI KADOBNOV

Russian Presidential candidate, Prime Minister Vladimir Putin delivers a speech during a rally with his supporters at the Luzhniki stadium in Moscow on February 23, 2012. Prime Minister Vladimir Putin on Thursday vowed he would not allow foreign powers to interfere in Russia's internal affairs and predicted victory in an ongoing battle for its future. "We will not allow anyone interfere in our internal affairs," Putin said in a speech to more than 100,000 people packed into the stadium and its grounds at Moscow's Luzhniki stadium ahead of March 4 presidential elections. AFP PHOTO / YURI KADOBNOV

Supporters of Russian Presidential candidate, Prime Minister Vladimir Putin hold up a portrait and wave flags during an election rally at the Luzhniki stadium in Moscow on February 23, 2012. Prime Minister Vladimir Putin today vowed he would not allow foreign powers to interfere in Russia's internal affairs and predicted victory in an ongoing battle for its future. AFP PHOTO/YURI KADOBNOV

Supporters of Russian Presidential candidate, Prime Minister Vladimir Putin wave flags during an election rally at the Luzhniki stadium in Moscow on February 23, 2012. Prime Minister Vladimir Putin today vowed he would not allow foreign powers to interfere in Russia's internal affairs and predicted victory in an ongoing battle for its future. AFP PHOTO/YURI KADOBNOV

Supporters of Russian Presidential candidate, Prime Minister Vladimir Putin hold his picture and flags during a rally at the Luzhniki stadium in Moscow on February 23, 2012. Prime Minister Vladimir Putin on Thursday vowed he would not allow foreign powers to interfere in Russia's internal affairs and predicted victory in an ongoing battle for its future. "We will not allow anyone interfere in our internal affairs," Putin said in a speech to more than 100,000 people packed into the stadium and its grounds at Moscow's Luzhniki stadium ahead of March 4 presidential elections. . AFP PHOTO/AFP PHOTO / YURI KADOBNOV

Supporters of Russian Presidential candidate, Prime Minister Vladimir Putin hold flags during a rally at the Luzhniki stadium in Moscow on February 23, 2012. Prime Minister Vladimir Putin on Thursday vowed he would not allow foreign powers to interfere in Russia's internal affairs and predicted victory in an ongoing battle for its future. "We will not allow anyone interfere in our internal affairs," Putin said in a speech to more than 100,000 people packed into the stadium and its grounds at Moscow's Luzhniki stadium ahead of March 4 presidential elections. . AFP PHOTO/AFP PHOTO / YURI KADOBNOV

Supporters of Russian Presidential candidate, Prime Minister Vladimir Putin attend a rally at the Luzhniki stadium in Moscow on February 23, 2012. Prime Minister Vladimir Putin on Thursday vowed he would not allow foreign powers to interfere in Russia's internal affairs and predicted victory in an ongoing battle for its future. "We will not allow anyone interfere in our internal affairs," Putin said in a speech to more than 100,000 people packed into the stadium and its grounds at Moscow's Luzhniki stadium ahead of March 4 presidential elections. . AFP PHOTO/AFP PHOTO / YURI KADOBNOV