When I arrived at the airport in Buenos Aires on Sunday morning this week, Election Day, I asked my cab driver who he’d be voting for and why. “Javier Milei,” he said without hesitation. “The current government hasn’t done what they need to do about inflation.” I asked him about the Libertarian Congressman’s (and now newly elected president’s) plans to replace the national “Medicare for All” type of healthcare system Argentina has with American-style private, for-profit health insurance plans that people must finance out of their paychecks (if they have a job, otherwise they’re SOL); to end the nation’s free...