Rumen Radev and Boyko Borissov are competing in a vote that will shape Bulgaria’s relations with Brussels, Kiev, and Moscow Bulgaria’s Rumen Radev and Boyko Borissov have cast their votes, and the country’s eighth election in five years is underway. Radev, who opposes EU aid to Ukraine, has vowed to break the stranglehold of the “oligarchic mafia” on Bulgaria. The election is another flashpoint in the battle between pro-EU and sovereignist political forces in Europe. Borissov’s GERB-SDS party