Commentary In modern times, as in ancient Rome, several nations have suffered a “systems collapse.” The term describes the sudden inability of once-prosperous populations to continue with what had ensured the good life as they knew it. Abruptly, the population cannot buy, or even find, once plentiful necessities. They feel their streets are unsafe. Laws go unenforced or are enforced inequitably. Every day things stop working. The government turns from reliable to capricious if not hostile. Consider contemporary Venezuela. By 2010, the once well-off oil-exporting country was mired in a self-created mess. Food became scarce, crime ubiquitous. Radical socialism, nationalization, corruption, jailing opponents, and the destruction of constitutional norms were the culprits. Between 2009 and 2016, a once relatively stable Greece nearly became a Third World country. So did Great Britain in its socialist days of the 1970s. Joe Biden’s young presidency may already be leading the United States into …