Bigots are stupid?

You can't just assume that someone who is bigoted is stupid. But on average they are.

Herd immunity

Janet D. Stemwedel writing in Scientific American on why we have an obligation to vaccinate our children and if we don't want to, then to keep our kids away from others.

"If you’re not willing to do your part for herd immunity, you need to take responsibility for staying out of the herd."