Known for Deal-Making Acumen, New U.N. Leader Will Face Tough Challenges António Guterres will take over as secretary general of the United Nations at a time when the credibility of the world body is under intense scrutiny. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Fire Kills More Than 60 in PortugalU.K. Government Takes Control of London Fire Response Amid CriticismGunmen Kill Two in Attack on Mali Camping ResortNavy Identifies Sailors Killed in Ship CollisionVehicle Hits Pedestrians in LondonCritic's Notebook: Sónar 2017: 15 of the Best Sets From the Barcelona Music Festival