Opposition protesters react while listening to speakers during a rally in Moscow on Saturday, Sept. 15, 2012. The first major protest against President Vladimir Putin after a summer lull drew tens of thousands of people, determined to show that opposition sentiment remains strong despite Kremlin efforts to muzzle dissent. (AP Photo/Mikhail Metzel)

Photo by: Mikhail Metzel

Opposition protesters react while listening to speakers during a rally in Moscow on Saturday, Sept. 15, 2012. The first major protest against President Vladimir Putin after a summer lull drew tens of thousands of people, determined to show that opposition sentiment remains strong despite Kremlin efforts to muzzle dissent. (AP Photo/Mikhail Metzel)