Siloed Everywhere  International trade has become moral, geopolitical, and nationalistic, and so has local commerce. Global trade is now based on perceived and relative practices such as human rights, animal welfare, labor, environmental protection, etc. Don’t trade with autocrat regimes like China or Russia. There is Make in India, Buy America, food sovereignty, etc. This has crept down to state and local affairs. California dictates how hogs are produced in Iowa and bans state-funded travel to Texas. Fights over abortion, immigration and other issues pour over red versus blue states, and between cities and rural areas. All of it worsening economic outcomes but unlikely to go away anytime soon. Separately, EU plans to punish a...