7/28: Assad regime attacks Aleppo; Beijing four years after the Olympics

      |Syrian President Bashar al-Assad has launched a full-scale attack on rebel fighters in Aleppo - the country's commercial heart and a crucial prize for both sides. Elizabeth Palmer reports; And, since the Olympics, China's red-hot economy has slowed because of the world recession with harder-to-find jobs and a property boom that may go bust. Barry Petersen visits Bejing, four years after the Olympics.

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