RENEE MONTAGNE, host:
Good morning. I'm Renee Montagne.
Every March 14th we celebrate pi, that infinite number beginning with 3.14 that represents the relationship between a circle's diameter and its circumference. And here's how not to mark Pi Day. Two teenage boys in Normal, Illinois knocked on a woman's door. They asked if she knew about pi - that's P-I. Then they hit her in the face with a P-I-E and ran. Not amused, police are treating it as an assault.
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