By John Campbell, Guest Columnist and Blogger   As the results of the 2020 U.S. national census become known, the American media is digesting the finding that the country’s population is no longer growing. The May 23 Sunday New York Times lead article “above the fold” highlighted how new a stagnant or declining birthrate and immigration is for the United States. The United States is joining Europe and East Asia, where a demographic decline and collapse of birth rates...