The trip to Chiang Mai was a painful one along the Mekong River. The bus upto Laung Prabang (northern Cambodia) was a steady one, with very little to see and do apart from every backpackers favourite past-time.....people watching. And there were a couple of characters who made it worthwhile, particularly one fella who would drool in his sleep, then wakeup whipe his patch, check to see no one was watching and fall abck asleep. Only to wake up ten minutes later and...