Fantastic 8 minute educational video that explains the principles of freedom and self ownership.
If you are looking for a very good explanation of the political spectrum. The video below is a great starting point. It lays out most political ideologies across a spectrum and makes it very simple to understand. Great video for people to really understand the differences between Libertarians, Republicans and Democrats. It takes no sides. While I do take issue with a few things he implies about Libertarians, overall the message is correct. It merely presents a factual discussion of the political landscape.