If you want to know why Marine Le Pen almost certainly won’t win the French presidency on 24 April, listen to the speech of Jean-Luc Mélenchon, the man who came third in today’s first round of the presidential election. ‘We know who we will never vote for!’ said Mélenchon, the far-left autodidact who somehow outdid his strong 2017 performance and won more than 20 per cent of the vote tonight.