Behind France’s relentless attack is a 24-year-old conductor with dreadlocks and instincts that seem borrowed from another era. Behind Spain’s impenetrable defence is a 19-year-old whose composure belongs to a man twice his age. The France versus Spain semi-final in Dallas is many things at once: a tactical chess match, a collision of European giants, a game that deserved to be a final. Above all, it is a window into football’s future. Some of these players are already superstars. Kylian Mbappe is only 26, arguably not yet at his peak. But it is the names beyond Mbappe that hum with possibility, players who could fill the vast space Messi and Ronaldo, Modric and De Bruyne will eventually leave behind. ALSO READ | Deschamps’ magic square: How Mbappe, Dembele, Doue, Olise are crushing opponents Michael Olise is the fulcrum of France’s machine. Before this World Cup, he was known chiefly to European football devotees. Now he is unmissable, a playmaker of equal parts intuition and intelligence, running the French show with his passing, movement and energy. …