The FIFA president, Gianni Infantino, is expected to preside over a ceremony in which the emir of Qatar will hand over World Cup hosting duties to Mr. Trump. The U.S. is co-hosting the 2026 tournament.The FIFA president, Gianni Infantino, is expected to preside over a ceremony in which the emir of Qatar will hand over World Cup hosting duties to Mr. Trump. The U.S. is co-hosting the 2026 tournament.