SEOUL — Samsung boss Lee Jae-yong has been cleared by South Korea’s top court of fraud charges, concluding a years-long legal battle over his role in a 2015 merger deal.Lee, the grandson of Samsung’sSEOUL — Samsung boss Lee Jae-yong has been cleared by South Korea’s top court of fraud charges, concluding a years-long legal battle over his role in a 2015 merger deal.Lee, the grandson of Samsung’s