World football has entered its most serious institutional crisis in decades, after the 55 national associations that are members of the Union of European Football Associations (UEFA) announced their unanimous agreement to boycott all FIFA tournaments, foremost among them the World Cup, should FIFA President Gianni Infantino proceed with his plan to privatise FIFA competitions and sell stakes in them to private-sector investors. The decision followed an emergency meeting convened by UEFA amid mounting European opposition to the proposal, which officials on the continent regard as a threat to the future of the game and to the nature of international tournaments…