Virus lays bare the frailty of the social contract

If there is a silver lining to the Covid-19 pandemic, it is that it has injected a sense of togetherness into polarised societies. But the virus, and the economic lockdowns needed to combat it, also shine a glaring light on existing inequalities — and even create new ones. Beyond defeating the disease, the great test all countries will soon face is whether current feelings of common purpose will shape society after the crisis. As western leaders learnt in the Great Depression, and after the second world war, to demand collective...