J.B. Handley is an antivaccine activist, founder of the mercury militia "autism biomed"-loving group Generation Rescue, and apparent discoverer of the original clueless antivaccine celebrity Jenny McCarthy, who became president of the organization he had founded. It was a position from which McCarthy proceeded to do her best to drive down vaccination rates by publicly spewing antivaccine misinformation, all the while parroting the standard talking point that antivaccine activists like to trot out to counter charges that they are antivaccine. Indeed, it was arguably she who made this talking…