Deep in the mountains along the Thai border, a bloody civil war rages. Our correspondent gives us rare insight into one of the world’s oldest insurgencies. New, stringent election rules will soon be tested in Britain. We ask if voters are ready. And, the bubble tea franchise taking South-East Asia by storm.For full access to print, digital and audio editions of The Economist, try a free 30-day digital subscription by going to www.economist.com/intelligenceoffer Hosted on Acast. See acast.com/privacy for more information.