Government opponents surged to a rare victory here on Sunday in key congressional elections framed by the country’s deep economic crisis, claiming a legislative majority for the first time in years and handing a significant setback to the heirs of former President Hugo Chávez and his socialist-inspired movement. The victory significantly alters the political balance in this deeply divided country and augurs a power struggle between the long-marginalized opposition and the government of President Nicolás Maduro, the successor and disciple of Mr. Chávez. Tibisay Lucena, the head of the electoral commission, announced about 12:30 a.m. Monday that the opposition, represented by the Democratic Unity coalition, had won 99 seats and that the government’s United Socialist Party had won 46 seats. She said final results were […]