If you're bored this spring or summer, not sure how to spend a free evening or Sunday afternoon, why not celebrate humanity? Okay, I'll admit, it probably won't be as fun weeding the garden or picking the dirt out of your fingernails, but it's bound to be interesting. And since UNESCO--the United Nations Educational, Scientific, and Cultural Organization--is backing the humanity-celebrating enterprise of which I speak, you know it's going to be so tolerant, sustainable, and culturally diverse that you won't be able to turn away from it any more than a horrified bystander can wrest his attention from a...