Airports have been the main stages for security and hygiene "theater.". Bureaucrats cling to power. It’s their institutional predisposition. So it was no surprise on Wednesday when the Department of Justice appealed the recent Federal court ruling that struck down the mask mandate imposed on mass transportation by the Centers for Disease Control. As the appeal demonstrates, governments are especially reluctant to give up emergency powers. When they do, the relinquishment is grudging and only partial. That is a big reason why big government keeps getting bigger. As economist Robert Higgs showed in his book Crisis and Leviathan, since the...