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Just hours after an ultimatum from the army, Egypt's embattled president says he will not stand down. We get an update from Tahrir Square and investigate the economic reasons that are helping to drive protesters onto the streets.

Plus, why are wildfires causing chaos across the western US? And why are they more expensive to deal with? Terry Tamminen, president of the New America Foundation climate change programme and ex-advisor to Arnold Schwarzenegger on environmental issues gives his perspective.

As Portugal loses its finance minister what is it like for those facing unemployment in the country?

And Motley Fool's David Kuo, in Singapore and author Gordon Chang, in New York, spar over whether the commodities boom is over - and whether or not China will feel the pinch.