Pakistan’s government faces an unpleasant choice between doing what’s popular and what is economically necessary, as Imran Khan, the former prime minister, exploits widespread discontent for his own ends. Russia’s invasion is threatening Ukraine’s unique seed bank. And why so many languages have such a rich variety of words to describe family members and relationships. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer