Pro-Russian former President Rumen Radev has won Bulgaria’s parliamentary election by a landslide, official results showed on Monday, crushing long-dominant political forces and possibly pushing the EU and Nato member state closer to Moscow. The performance, exceeding opinion poll forecasts, is one of the strongest results for a single party in a generation and may end, for now, the chronic instability that led to eight elections in five years. Radev’s Progressive Bulgaria party had 44.7 per...