It's that time of year again.
What am I talking about? Regular readers know. They know that sometime around the Memorial Day weekend every year, usually beginning a couple of days before the extended weekend and into the weekend itself, there lands in the Chicago area a quackfest of such unrelenting quackitude that it has to be seen to be believed. Basically, it's the antivaccine and autism "biomed" movement Woodstock, except that it happens every year. Any and every quack and die-hard antivaccinationist who still believes believes against all evidence that vaccines cause autism is usually…