I love the blogs of Stacy McCain. He is often irreverent, always insightful and definitely fun. I really like this piece on Demand-Side Dimentia... It is worth the read! There is so much to learn by studying economics. Unfortunately, it has become so politicized, I think that most people consider it a topic not worth their time or effort to understand. When Arthur Laffer sketched the theory behind supply-side economics on a napkin and that fact was publicized, I devoured the concept. It has been born out every time it has been deployed, first by Reagan and then by George W. Bush.
Here is a good article written by Arthur Laffer himself that talks about the concept.
Keep the faith, free-market capitalism works!