avier Milei is the president of one country, Argentina, which makes him accountable to the world’s 46 million Argentines. But the global Left knows that if Milei’s free-market reforms succeed, its ascendancy might be cut short. That is why so many of its members supported or even helped plan last week’s massive demonstrations against the new leader. The one-day strike by Argentina’s main labor unions, accompanied by the biggest street demonstration the South American country has ever seen, was partly the result of a global effort. The trade unions, organizations, individuals, and Marxist global networks involved spanned the world, and used the social media platforms of Facebook, X, Instagram, and Zoom to promote the marches or to plan what to do. We have seen a similar blueprint employed in the past—in Chile in 2019, in the U.S. in 2020, and in Colombia in 2021.

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