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Mackinac Center President Joe Lehman discussed the Overton Window, a model of how ideas shape public policy, on Glenn Beck's nationally syndicated radio program on June 9, 2010.

The Overton Window concept was developed by the Mackinac Center's late vice president, Joseph Overton. To learn more about the idea, click here.

The in-studio video of the radio interview is below.

CLICK HERE to see video of Lehman's appearance on Beck's TV show!

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