In a world of wars and climate crisis, a new leader could save the UN. But would Trump allow it? | Steve Bloomfield

As the organisation meets this week, it remains the best hope for restoring order. But it relies on goodwill from the US president – and that is lacking If all goes to plan, at some stage in the coming weeks 15 diplomats will emerge from a small sound-proofed room deep in the bowels of the United…