Police officers detain an opposition activist during an unsanctioned protest in Lubyanka Square in Moscow, Monday, March 5, 2012. Police quickly rounded up Eduard Limonov, the leader of the banned National Bolshevik Party and several dozen of his supporters, who attempted to hold an unsanctioned protest near the headquarters of Russia’s main security agency. A poster denounces Russian president Dmitry Medvedev and prime minister Vladimir Putin. (AP Photo/Sergey Ponomarev)