Nate Silver is getting hammered by the right for daring to use math-based math rather than faith-based math. In his defense, I thought it might not hurt to take a quick review, for non-math types, of the mathy side of things.
This will be old hat for some of you. No quiz, I promise. More after the orange ampersands' act of public indecency.
Update: Uh-oh, Community Spotlight! Now I have to fix my typos!