A supporter of Economy Minister Sergio Massa, the ruling party’s presidential candidate, holds a campaign poster promoting Massa, in Ezeiza, Buenos Aires province, Argentina, Wednesday, Nov. 15, 2023. As Argentina heads for a presidential Nov. 19 runoff election, the decades-old populist movement known as Peronism has Massa working overtime to keep once-steadfast supporters from straying to his opponent, right-wing populist Javier Milei. (AP Photo/Natacha Pisarenko)