In the 12 months since mass opposition demonstrations began in Russia with the aim of ending Vladimir Putin\'s rule, the leaders of those protests have grown more determined and more defiant. Among them, 35-year-old Sergei Udaltsov, he and fellow activists Learnid ResvojaEd and Kostantin Lebedev have already been charged with organising mass disorder. Now the Investigative Committee, a state body with extended powers, says ________________________________________________________________________________________________________________________.The men denied the charges.