It remains unclear whether influence and misinformation campaigns have had significant effects on Britain’s institutions, or its elections—but only because successive administrations chose not to look. For decades, Myanmar was a heroin supplier to the world; now a methamphetamine-production boom has created a domestic mess, too. And spotting the brightest comet in decades.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer
 See acast.com/privacy for privacy and opt-out information.