The United Nations emerged from the ashes of the worst war in human history to preserve global peace. Seventy-five years later, though the UN remains a leading global institution, there is increasing talk of it being in crisis and the necessity of reform. Can the UN return to relevancy amid the geopolitical realities of the 21st century? Here’s Yale University Professor Thomas Graham and Russia’s First Deputy Permanent Representative to the UN Dmitry Polyansky with their insights.