Even before the new Congress has been seated, some emboldened progressives are pushing for votes to establish Medicare for all. Bernie Sanders argues that 70 percent of Americans favor it, so now is the time. Of course, that support plummets when people are told about its astronomical tax bill and its escalation in government control. But Sanders insists that it will happen because, as the Los Angeles Times described his argument, “the bottom line is that less money will come out of American pockets to pay for healthcare.” Unfortunately for that argument, its basis — that turning from an...