Your correspondent, desperate to get both sides of the story, sneaked across the river to the gleaming casinos where nearly every table was full and nobody seemed to be having a bad time.
China is still the North's lifeline, and Beijing is unlikely to cut vital supplies of food and fuel since it feels that may make the North even more desperate and unpredictable, our correspondent adds.
Wednesday's presentations are unlikely to make or break a candidate, our correspondent said, but at such a late stage of the bidding process they will be desperate to deliver a flawless performance.