Do we need the United Nations? Where would the contemporary world be without its largest intergovernmental organization? & where could it be had the UN s member states & staff performed better? These fundamental questions are explored by the leading analyst of UN history & politics Thomas G Weiss in this hard-hitting authoritative book While counterfactuals are often dismissed as academic contrivances they can serve to focus the mind; & here Weiss uses them to ably demonstrate the pluses & minuses of multilateral cooperation He is not shy about UN achievements & failures drawn from its ideas & operations in its three substantive pillars of activities international peace & security; human rights & humanitarian action; & sustainable development But he argues the inward-looking & populist movements in electoral politics worldwide make robust multilateralism more not less compelling The selection of Antonio Guterres as the ninth UN secretary-general should rekindle critical thinking about the potential for international cooperation There is a desperate need to reinvigorate & update rather than jettison the United Nations in responding to threats from climate change to pandemics from proliferation to terrorism Weiss tells you why & how