Argentina's President Javier Milei arrives to speak before President-elect Donald Trump during an America First Policy Institute gala at his Mar-a-Lago estate, Nov. 14, 2024, in Palm Beach, Fla. (AP Photo/Alex Brandon, File) BUENOS AIRES, Argentina — Europe vowed retaliation. China plotted tariffs of its own. Mexico scrambled to blunt the blow. But while the world’s leaders were wringing their hands over U.S. President Donald Trump’s announcement of sweeping tariffs on U.S. imports, Argentina’s right-wing president was ebullient, feted at Trump’s Mar-a-Lago club. As part of his enthusiastic outreach to Trump, Argentine President Javier Milei flew from one of the...