Last night McCain called the projector at the Adler Planetarium, the first planetarium in the western hemisphere, an “overhead projector” and criticized Obama for seeking money for it. He is also on record as previously calling planetaria “foolishness”. Read more about it at Cosmic Variance and Universe Today. Update: the Adler planetarium has issued a statement about McCain’s remark, and Bad Astronomy (and many others) weigh in.