YEONGJONGDO, South Korea, June 14 (Yonhap) -- Kim Woo-choong, founder of the now-defunct Daewoo Group, arrived Tuesday from Vietnam after being in hiding overseas for nearly six years, a return which is likely to touch off a heated debate over his contribution to the economy. The 69-year-old former business tycoon, wearing a dark suit, looked tired and appeared along with investigators of the prosecution. After being surrounded by hundreds of reporters and protesters, Kim was whisked to the Supreme Prosecutors' Office for the start of an investigation which is likely to ripple through the political and business communities. Kim,...