The Centers for Disease Control and Prevention reports that births in the USA reached another historic low in 2020. For the sixth consecutive year, the birth rate dropped -- this time by 4%. The average annual drop in the five previous years was 2%. The rate at which American women are having babies is way below the rate necessary to keep the population steady-state -- that is, for the population not to shrink. A steady-state population requires a total fertility rate of 2.1 children per woman. In 2020, it was 1.64. Needless to say, for politicians, there is no problem...