TBILISI, Georgia — Protesters 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 Russian-friendly Georgian Dream declared victory in every municipality that evening, holding celebrations as protesters clashed with police. Earlier that day, ten