When Democrats made arguments for environmental or health regulations based on rigorous science, Republicans went to enormous lengths to challenge the science and resist government action. Republicans have filed for divorce with the free market, in favor of a threesome with authoritarianism and quackery. Part of that record involves Trump directing the federal government to effectively control some companies. On Monday, Trump directed the federal government to tar the pain reliever acetaminophen, more commonly known by the brand name Tylenol, as the cause of autism. In doing so, Trump drove the stock price of Tylenol’s manufacturer, Kenvue, to a record low.