(Brandon Thibodeaux | The New York Times) Wind turbines near Spanish Fork, Utah, on Feb. 8, 2019. "Recovery from the pandemic should be only the start; we need a strategy to cure our longer-term problems of sluggish productivity growth and weak private demand," writes New York Times columnist Paul Krugman, "Large-scale public investment, whether or not it looks like some people’s idea of infrastructure, is the way forward."