Supporters of Argentine Economy Minister and presidential candidate for the Union por la Patria party, Sergio Massa, leave the party headquarters after knowing the results of the presidential election runoff in Buenos Aires on November 19, 2023. Libertarian outsider Javier Milei will be Argentina's next president, said his rival, Economy Minister Sergio Massa, who conceded defeat after Sunday's election. (Photo by JUAN MABROMATA / AFP)