Massive crowds of protesters marched in cities across Argentina , including the capital Buenos Aires, Cordoba, Mendoza and Tucuman, on Tuesday. The protesters called for the government of libertarian President Javier Milei to implement a university funding law at the center of a lengthy political standoff. In Buenos Aires, the march culminated at the Plaza de Mayo, where the presidential palace is located, and spilled onto surrounding streets. Organizers estimated that some 600,000 students,