• Cellphones may cause ADHD in kids • Leftist party in panic over raid move • Patent rows plague Korean firms • Activists to take China to UN over 4 d.. • KISA to promote technology overseas • Korea, US agree on school bullying stu.. • 'Latin Passion' to be unleashed in Kor.. • Five-year plan devised to fight bioter.. • S. Korea calls on NK to take 'differen.. • Seoul seeks military deal with Beijing