Putin sworn in as riot police clash with protesters
Russia Putin
Russian President Vladimir Putin, left, and his wife Lyudmila attend a service held by Russian Orthodox Patriarch Krill, right, in the Annunciation Cathedral after the inauguration ceremony in the Kremlin in Moscow, Monday, May 7, 2012. Vladimir Putin has been sworn in as Russia's president for a third term after four years as prime minister. (AP Photo/RIA-Novosti, Alexei Druzhinin, Government Press Service)