Hwang Sun-hong, the head coach of the South Korean Olympic men's soccer team, said he shoulders the biggest share of the blame for the team's bitter defeat Friday at the hands of underdog Indonesia. The 55-year-old also urged for an overhaul of the U-23 national team system, speaking at a press conference after returning home at Incheon Airport on Saturday. Hwang stressed the need for a four-year plan for t...