The shortest, best analysis of health insurance (qua insurance) – not just Obamacare – anywhere. If you understand this, you understand (a major part of) the problem*.
Thanks to Don Boudreaux for posting.
* – I believe the health care “problem” is composed of really, about two issues. The issue above is one. The other issue is that consumers don’t pay providers directly. That is: nobody knows who the customer is (not the customer, nor the provider, and certainly not the insurance companies).