I'll be on the road as this posts. However, for your edification, enjoy a tag-team smackdown of some truly ignorant "mercury causes autism" evidence-free handwaving, courtesy of Dad of Cameron and Not Mercury. In keeping with the theme of twos, it's done in two parts, separated by two weeks:
Part 1: A Hot Cup of Jack Squat
Part 2: Wagnitz Pours a Second Cup