Michelle Martin, speaks with one of the most prominent economists of our times Joseph E. Stigliz, ( a double Nobel Prize winner) to find out why he is optimistic that  collective action can tame the problems of unfettered markets.

Michelle Martin, speaks with one of the most prominent economists of our times&nbsp;Joseph E. Stigliz, ( a double Nobel Prize winner) to find out why he is optimistic that &nbsp;collective action can tame the problems of unfettered markets.