BUENOS AIRES, Argentina (AP) — Argentina’s libertarian President Javier Milei won decisive victories in key districts in midterm elections Sunday, clinching a crucial vote of confidence that strengthens his ability to carry out his radical free-market experiment with billions of dollars in backing from the Trump administration. Milei’s governing La Libertad Avanza party won over 40% of votes in national elections to renew almost half of the lower house of Congress, according to tallies in local