On this week's McKay Interview: As we are based in Geneva, we are well aware of its long-standing multilateral reputation and its unrivalled position as the city of peace, negotiation and reconciliation. In neutral Switzerland, Geneva has no military credentials. Just the opposite - being home of the Disarmament Talks since the early 1930s, the United Nations and its predecessor the League of Nations, which rose out of the ashes of the Great War. It is important to look square on at the security issues that confront the world in 2020 and beyond. Michael talks to the head of the world’s oldest security think tank. His guest is Dr Karin von Hippel - Director-General of the Royal United Services Institute, known by its acronym, RUSI.