inputs: hypothesis: Kim Jong-il is the chairman of the UN. premise: North Korea's rubber-stamp parliament has re-elected Kim Jong-il as chairman of the National Defence Commission, the country's most powerful position. Mr Kim's re-election comes days after a rocket launch that was lauded at home but criticised at the UN. Analysts say the move will help cement Mr Kim's position, after rumours he lost some of his grip on power after suffering a stroke in August. Observers have expressed concern about the apparent lack of a succession plan.