The BRICS – named after the five founding nations of Brazil, Russia, India, China and South Africa – started as a forum for the world's five largest emerging economies. Now, it's expanding into other parts of the globe and courting countries traditionally allied with the U.S. What is behind this impetus for expansion, and can it disrupt the current western-dominated global order? Steve Paikin asks: Kerry Buck, (Former Canadian Amb. to NATO), Rohinton Medhora, Professor of practice at McGill Univ.), and Seva Gunitsky, (Assoc. Professor of Political Science at the Univ. of Toronto).

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