When President Mauricio Macri took office in Argentina last December, he faced two monsters that his 44 million compatriots know only too well. The first was an economy ravaged by spendthrifts, who’d driven public finances into disarray and then papered over the mess with magical statistics. The second was the quandary of how to restore sensible government without inflicting ...

  Stanford historian Ian Morris is fond of saying that “each age gets the thought it needs.” According to this maxim, ideas like the Enlightenment, communism or even Christianity are a product of the economic and political circumstances of their times. It’s easy to believe that libertarianism might have been a good fit for the late 20th century. Coming out ...

  It’s fun to imagine a world without cash.Liberated from the burden of physical currency, consumers could make purchases from the convenience of a mobile device. Every transaction would come equipped with fraud protection, reward points and a digital record of its time and location. Comprehensive tracking could help the Internal Revenue Service reclaim billions of tax dollars lost to ...