Margaret Heffernan, TEDxDanubia A whistleblower may take substantial risks–professionally and personally–to reveal serious problems. But sometimes, managers and the public refuse to act on that information. Selective blindness can have drastic costs, as explained by author and former CEO Margaret Heffernan. This video is shared under a Creative Commons license (BY-NC-ND 4.0). Please visit Ted.com. This…

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