By Ailis Halligan and Liza Zhvania in Tbilisi Tens of thousands of people gathered in the Georgian capital on the evening of October 20 for a pro-EU rally, less than a week before crucial parliamentary elections in the South Caucasus country. The fervour in Tbilisi on Sunday night was a taste of what is to come next weekend. The country’s pro-Western opposition frame the vote as a referendum on Georgia’s future in the EU. Should Georgian Dream remain in power, they warn Georgia will be drawn deeper into a Russia-led geopolitical camp and away from Western alliances, which is many Georgians’ wo…