Subjects, revisited

As I've been catching up on posting these last couple of days, I realized I really dislike reading back through a post to add the "subject" tags for each post. I initially added subject tags to make it easier for someone wondering "what about math(or history, or reading, or science, or whatever)? There are now some examples throughout the blog for any of the standard subjects, but I'm going to let go of labeling posts into those categories. I'll leave the school stuff to schools!