After Brexit and the election of Donald Trump, it has been suggested that the World Economic Forum has become an irrelevance. After all, this time last year no-one here had an inkling that Britain would vote to leave, let alone that Donald Trump would be in power. Sure, its proponents will point to things like the 1988 "Davos declaration" in which Greece and Turkey averted war or Nelson Mandela's appearance alongside F.W. de Klerk (for the first time) on the Davos stage at 1992.