I appear to have fallen into one of my ruts again. Or maybe it's not a rut. I just feel as though I've been doing too many posts on the antivaccine movement, to the point where I wonder if I'm starting to fall into a rut. In actuality, it doesn't really matter. If I feel as though I'm getting tired of a topic, then that's enough. It's just that the antivaccine movement, even as bottomless a font of stupidity, misinformation, pseudoscience, and quackery as it is, sometimes goes on a tear. When it does that, I have a hard time restraining myself from trying to blog about all of it, as…