Schoolchildren in Bogotá, Colombia, are talking about what it takes to create peace and safety in their country, after more than fifty years of war. To do so, they are using an exhibition created in Oslo, Norway. — “Who received the Nobel Peace Prize last year?” The schoolchildren sitting on the floor of Colombia’s National Museum know the answer. It was their own president. But when asked why he was awarded the prize, the room falls completely silent. …