More South Koreans identified as liberal than a year earlier, even as most adults identified as nonpartisan, and ideological division was rated as the country’s most serious social conflict, a government survey showed Tuesday. According to the Korea Institute of Public Administration’s annual survey, 27.1 percent of respondents described themselves as liberal, up 2.7 percentage points from the previous year. Conservatives accounted for 29.6 percent, down 0.6 percentage points, while those identi