Bulgaria's pro-Russian former President Rumen Radev has swept to victory in the country's eighth parliamentary election in five years, with an exit poll showing his center-left Progressive Bulgaria coalition capturing 39.2 percent of the vote. The result gives Radev a commanding lead over the outgoing center-right GERB party of veteran leader Boyko Borissov, which is projected to receive just 15.1 percent, but the margin may not be enough to govern alone — setting up yet another potentially