TBILISI, GEORGIA — Amid local elections, protestors enraged at the Georgian government's pro-Russian stance and alleged vote rigging attempted to storm the presidential palace in central Tbilisi on the evening of Oct. 4, but were dispersed by police using pepper spray and water cannons. The demonstration, which organizers had billed as a day of "peaceful revolution," quickly grew into the largest show of dissent in months. The ruling Georgian Dream declared victory in every municipality that e