Has the 'Arab Spring' Come to the Russian Winter?

Russian authorities did not clamp down on massive protests across Russia's nine time zones over the weekend as tens of thousands turned out to denounce Prime Minister Vladimir Putin and last week's allegedly rigged elections. Today, billionaire Mikhail Prokhorov challenged Putin for President; former finance minister Aleksei Kudrin said he'll form a new party to push for liberal reforms, and the Russian Orthodox Church called for change. Dissenters include the new middle class, Communists and a nationalist blogger with ties to skinheads. Can they get together? Will they be repressed? With Putin blaming Hillary Clinton for stirring up trouble, what will it mean for President Obama's "reset" in relations?