Can the world make the '20s roar once again?

As the pandemic receded, the hope was that the global economy would see an encore of the Roaring Twenties of the 20th century. The craving was obvious: The gloom of World War I and the deadly influenza pandemic was followed by rapid growth in prosperity in the 1920s. Today, a pandemic and a war are in the picture again—but the roar increasingly seems unlikely. The pressures of covid-19 and the Ukraine war won't just hinder growth in the coming year or two, but a full "lost decade” could be round the corner, said a recent World Bank book. All global…