Street clashes mar voting at polling stations in areas with large Kurdish populations, as Kurdish party urges boycottTurks approved sweeping changes to their military-era constitution Sunday — a referendum hailed by the government as a leap toward full democracy in line with its troubled bid to join the European Union. With 99 per cent of the vote counted, 58 per cent had cast ballots in favor of the constitutional amendments, state-run TRT television said. About 42 per cent voted “no,” heeding opposition claims that the reforms would shackle the independence of the courts. The referendum on 26 amendments to...