The Real News has a multi-part series called What a Single Payer Health Insurance Plan Looks Like. I will post the two videos that are available right now.  You can check the above link for more parts as they become available.

Part 1: What a Single Payer Health Insurance Plan Looks Like

The above video explains why the insurance companies make more profit if they drive some customers away. Once you think about the explanation, you realize that it is something you already knew, but may not have thought about it quite so vividly.

Part 2: What a Single Payer Health Insurance Plan Looks Like