NYT on the Covid-19 Baby Bust. "There is a well-documented cycle to the nation’s birthrate: When the labor market is weak, aggregate birthrates decline; when the labor market improves, birthrates improve." "...the real societal challenge of a Covid baby bust will be a smaller work force, which portends lower economic productivity and fewer workers to contribute to the tax base." "...the most reliable and immediate way to shore up the U.S. population is through immigration..."