In this episode, TED speakers will make you think twice about things you thought were true. Steve McAlister/Getty Images hide caption

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In this hour, TED speakers move beyond conventional wisdom and reveal complex realities about what we think we know to be true.

Malcolm Gladwell explains why knowing the whole story about David and Goliath changes its meaning. Dian Lofton/Courtesy of TED hide caption

toggle caption Dian Lofton/Courtesy of TED
What's The Real Story Of David And Goliath?
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