The Obama campaign has a new ad out showing how much money a shoe salesman will be able to save under their tax plan. As a former shoe salesman, my interest is piqued:

As I expected, Space Politics had the details on that $3 million “overhead projector” McCain mentioned in last night’s debate.

They quote Obama’s senate web site, which says:

One of its most popular attractions and teaching tools at the Adler Planetarium is the Sky Theater. The projection equipment in this theater is 40 years old, and is no longer supported with parts or service by the manufacturer. It has begun to fail, leaving the theater dark and groups of school students and other interested museum-goers without this very valuable and exciting learning experience.

If they’ve kept the current projector running for 40 years, and they only want to replace it because they can’t get parts, I’d say it’s about time it was replaced. $3million every 40 years is a great deal.