Of all the clueless antivaccinationist out there, one stands out as being particularly dangerous to public health. That person is the antivaccine reporter whom I've periodically been forced to castigate ever since around 2007 when she laid down such a seethingly hot bit of napalm-grade antivaccine stupid that she grabbed my attention with her combination of ignorance and arrogance (a.k.a., the arrogance of ignorance or the Dunning-Kruger effect), Sharyl Attkisson. Since then, Attkisson has managed to get on my radar through her sucking up to Andrew Wakefield, playing footsie with the…