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UN General Assembly - why does it matter?

World leaders are in New York for the 70th meeting of the UN General Assembly.

It brings together world leaders from more than 150 countries, all with their own agendas and priorities.

So what will they talk about - and will they agree on anything?

New York correspondent Nick Bryant explains what the UN General Assembly is - and why it matters.

  • 28 Sep 2015
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