Argentina's newly sworn-in President Javier Milei, left, and his sister Karina arrive to the government house in Buenos Aires, Argentina, Sunday, Dec. 10, 2023. Milei's administration announced two days later economic shock measures aimed at tackling the country's severe crisis, including a sharp devaluation of the peso by 50%, cuts to subsidies and the closure of some ministries. (AP Photo/Julian Bongiovanni)