Barriers are Good The issue de jour is tariffs. Donald Trump is vilified by conventionalists for the self-induced wound of raising this single barrier to business. As a businessman, Trump sees a complex web of market barriers. Domestic regulations, domestic taxes, but also foreign tariffs (taxes) and foreign regulations. The legacy media criticizes his efforts to reduce domestic regulations and taxes because of their contended adverse impact on social goals, but it also vilifies his effort to reduce the adverse impact of foreign taxes and regulations on America’s international imbalances. So, barriers by other countries are okay, and do not reduce U.S. domestic constraints on business. There is a consistency, barriers are good. &...