"War is the health of the state," wrote the progressive Randolph Bourne during the First World War, after which he succumbed to the Spanish flu. America's war on the coronavirus pandemic promises to be no exception to the axiom. However long this war requires, the gargantuan state will almost surely emerge triumphant. Currently, the major expenditures of the U.S. government, as well as a growing share of total federal spending, are Social Security, Medicare and Medicaid. None of these programs will be curtailed or reduced this year or next. And if the Democrats win in November, the nation will likely...