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Long summary: The High Court in South Africa allows a review of what it called the "irrational decision" to drop corruption charges against President Zuma seven years ago.

The campaign against poaching: Kenya hosts a summit to head-off the threat to Africa's elephants - and we hear about a Seattle start-up making fake rhino horn.

And as Australia prepares to unveil changes to pension rules, we hear how an aging population is facing increased ageism.

Plus we discuss the week's biggest business news with Mary Childs of the Financial Times in New York and by Thorold Barker of the Wall Street Journal in London.

(Image: Jacob Zuma. Credit: Getty Images)