Vaccine Truther Trump Peddles Anti-Science Conspiracies Unchallenged

The frontrunner was allowed to spout debunked theories linking vaccines to autism, and ‘bunching up’ shots, before an audience of millions of CNN debate viewers—and went unchallenged.
http://www.thedailybeast.com/articles/2015/09/17/vaccine-truther-trump-peddles-anti-science-conspiracies-unchallenged.html