Penn Jillette at the Cato Institute Benefactor Summit

Penn Jillette spoke at this year's Benefactor Summit in Las Vegas, Nevada. Penn Jillette is the H.L. Mencken research fellow, is the louder, bigger half of the magic/comedy team Penn & Teller. He and Teller co-host a new series on Showtime that looks to debunk junk science, scares and scams with r...

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