Below is another list of recordings that I just stumbled on. The list is technical in focus, but there are some about freedom.
http://free-electrons.com/communaute/videos/community/videos/conferences http://free-electrons.com/communaute/videos/conferences/
I've put the whole list into this blog entry: http://fsfe.org/en/fellows/ciaran/weblog/buckets_of_free_software_advocacy_a...