On the right track: a trend in diplomacy

When conflict-resolution efforts falter in official channels, there are unofficial ones. We ask why “Track 2”—allowing well-meaning third parties to mediate—is on the rise. The prime minister of Lesotho has pledged to resign and his wife is on the run; we examine the high drama playing out in the African country. And some surprising truths about lie-detector tests. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer