UN meet looks to salvage promises on helping world's poorest

World leaders meet Monday at the United Nations in a bid to salvage ambitious promises to lift the planet’s poorest, at a time when vulnerable nations are facing a volley of crises.

But the development summit, on the eve of the annual UN General Assembly that opens Tuesday, threatens to be eclipsed by growing geopolitical tensions — which will be symbolized by the presence at the meeting in New York of Ukrainian President Volodymyr Zelensky.