Odd man out

Sep 14, 2012, 2:01 PM EDT
Gennady Gudkov (front C), member of the Just Russia political party, waves as he walks out from the Duma, Russia's lower house of parliament, in Moscow, September 14, 2012.
REUTERS/Sergei Karpukhin

With the expulsion of outspoken Putin opponent Gennady Gudkov from Russia's Duma, the nation - critics say - may have moved closer to a dangerous point of political fracture.