Korean television broadcast medics performing cpr. body after body after body was taken from the scene to ambulances. the president visited the scene. later at a press conference, he announced a week of national mourning, and an investigation into the calamity. but it will be too late for the families who gather at a community center for information, and then got the new, no parent should ever are to hear. south korea is in shock. this is the worst national tragedy since 2014 when a ferry overturned. and in this case, too, most of the victims were young people. elizabeth palmer, cbs news, toky...