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Tanya Beckett: How to chair a Davos debate

25 January 2012 Last updated at 15:12 GMT

The future of the world economy is high on the agenda as some of world's most powerful people gather in Davos.

They meet annually in the Switzerland to discuss the state of the world.

One of the big themes they will be debating is whether capitalism is working.

But there will be many, smaller debates elsewhere in the conference centre that will focus on more specific issues.

Tanya Beckett describes what it is like to chair one of them.