SEOUL — After half a year of political turmoil, uncertainty and division, South Koreans began voting on Tuesday for a new president to succeed Yoon Suk Yeol, the disgraced former leader who plunged theSEOUL — After half a year of political turmoil, uncertainty and division, South Koreans began voting on Tuesday for a new president to succeed Yoon Suk Yeol, the disgraced former leader who plunged the