Crackdown or Negotiation? Russian Protests Pose a Dilemma for Putin

Mercenaries, goateed liberals, jackals who scavenge for money at foreign embassies in Moscow -- those are some of the things Vladimir Putin has called Russia's opposition. But he's never before had to reckon with them as a significant threat to his rule. That may now have to change. On Saturday, in the biggest act of popular resistance ever to Putin's government, tens of thousands of protesters