I'd like to draw everyone's attention to two great documentaries that delve into the ideas and issues surrounding social justice in the world that we live in. If you've never seen them you definitely need to check them out.
The Ordinary Radicals -- http://www.theordinaryradicals.com
Another World is Possible -- http://www.awip.us/
Feel free to order a copy for yourself online to support the efforts of Jamie Moffett and his crew.