Are crop circles the real deal?

Nick Digilio

People visit a crop circle of which the origin is unknown in a cornfield in Corcelles-pres-de-Payerne, Switzerland, Saturday, July 7, 2007. (AP Photo/Keystone/Sandro Campardo)

After a new crop circle appeared on a farm in northern France, Nick Digilio brings up the topic of what exactly causes these odd events, their history and lets listeners weigh in with their own thoughts.

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