Colombia's President Juan Manuel Santos Calderon

Sept. 24 (Bloomberg) -- On "Charlie Rose," an interview with the president of Colombia: President Juan Manuel Santos Calderon. (Source: Bloomberg)
Mila Kunis Helps Miner Become Top Emerald Producer
02:34 - Gemfields CEO Ian Harebottle discusses the gemstone business with Bloomberg's Pimm Fox on "Taking Stock." (Source: Bloomberg)
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