If you've ever been cut off in traffic by a rude driver, you probably know how it feels to suddenly want revenge. Clare Lawlor acted on that impulse, and sought revenge on another motorist. Her actions caused her to wonder about why humans feel the need to take vengeance - especially when, as Clare learned, it rarely works out well. Clare told the CBC's Sook Yin Lee what happened between her and the other driver.
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