Night after night, Georgians have filled the broad central avenue that runs past parliament, in such great numbers there is barely space to move, on the road or the pavement either side. They come to Rustaveli Avenue draped in flags, the blue and gold of the EU and the red and white of the George Cross, and accuse their increasingly authoritarian government of ditching their European future for a return to the sphere of their Russian neighbour. The ruling party, Georgian Dream, fervently...