Leaders who have left their mark on France mostly did so while young. From Joan of Arc to Napoleon Bonaparte, the common factor has always been youth. The key players in the French Revolution – Danton, Robespierre, Louis XVI, Marie Antoinette – were all guillotined in their thirties. So in one sense it should not have been a surprise that Emmanuel Macron, himself the youngest French head of state since Napoleon, should now have appointed Gabriel Attal as the youngest Prime Minister in French his