Outgoing French prime minister Elisabeth Borne and her successor Gabriel Attal at a handover ceremony in Paris on Monday. Photograph: Emmanuel Dunand/AFP via Getty Images In just over a decade, Gabriel Attal has risen from a work experience recruit in the health ministry to the second-highest office of state in France. As of Tuesday, he has also become France’s youngest prime minister at 34 and the first openly gay leader of the government. It is a spectacular trajectory, even for someone from Attal’s privileged background, for whom each career advancement appears to have come remarkably easy. In the early years...