Iconic illusionist Penn Jillette --- of the famed duo Penn & Teller --- joined Glenn for in-depth discussion this week on TV. Jillette relayed the astonishing story that turned him off magic after discovering the mentalist he idolized was really a fake. "My hatred of magic got through the roof. Adults lie to you about these things. So when I first met Teller, and he said I do magic, it was just . . . I don't want anything to do with that. First of all, they're cheesy. They're not rock 'n' roll. They're greasy guys in tuxes," Jillette explained. What turned him around to co-produce one of the most successful magic acts in American history? Watch the video for a sneak peek and answers to these illusive questions: • What famous mentalist did a young Penn Jillette idolize? • What "blood-draining" revelation made Jillette despise magic? • What made Jillette's science grades plummet? Watch the full episode on-demand at TheBlaze TV.