Debating the Role of Minor Parties

I have always considered myself an independent. When it comes to my party affiliations it wasn't until relatively recently that I decided to choose a team to play with. After my one visit to a Democratic party meeting in my area it was clear I didn't want to be known as a democrat. After some research I chose the Green Party. But what use is it? Here's a short video made by the same people who created "An Unreasonable Man"( In fact it is from that DVDs extras ) talking about the role Minor parties play in the USA. ...