SOFIA, Bulgaria — The center-left coalition of ex-president Rumen Radev has emerged as the clear winner of Bulgaria's parliamentary election, the country's central electoral commission said Monday, ending half a decade of political fragmentation. With all the ballots counted on Monday, results showed the Progressive Bulgaria coalition receiving 44.6% of the vote, some 30 percentage points ahead of the center-right GERB party of veteran leader Boyko Borissov and the pro-Western reformist bloc