On the 75th anniversary of UN peacekeeping, the United Nations chief said Thursday that peacekeepers are increasingly working in places where there is no peace and praised the more than 4,200 who have given their lives to the cause of peace since the UN authorised its first military deployment in 1948. It was a day to look back at the successes of peacekeeping from Liberia to Cambodia and its major failures in former Yugoslavia and Rwanda, but also to the challenges ahead, including dealing with more violent environments, fake news campaigns, and a divided world that is preventing peacekeeping's ultimate...