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Mikhail Khodorkovsky who was once Russia's richest businessman could be pardoned by President Putin, after more than a decade in jail.

Also on the programme: mapping the Milky Way with the most powerful satellite camera ever built; the new law in Cuba that allows everyone to buy and sell cars; and what words do you love to hate?

Guests include Dr Adrian Hearn of the University of Sydney China Studies Centre, and Dr Robert Shapiro former US Under Secretary of Commerce and Economic Affairs in Washington.