Jon Stewart Perfectly Mocks Liberals Who Deny Science

Ignorance isn't limited by political boundaries. While some anti-science conservatives have been known to deny the facts of climate change, Jon Stewart had another target in mind on a recent show: the generally liberal, upper-middle-class, highly educated parents who make bogus claims about vaccines being dangerous — and put lives at risk by doing so. Last week on the Daily Show, correspondent Samantha Bee spoke with Dr. Paul Offit, the director of the Vaccine Education Center at the Children'...