http://bit.ly/9iLCBm (SFLC podcast of Eben Moglen speaking in Scotland)
This is old (from July this year) but definitely worth listing to if you haven't already.
It provides strong argument from a legal, moral and regulatory perspective in favour of Free Software.
They're the kind of arguments that should have an impact on people who are ambivalent or hostile towards Free Software.
Thanks,
Sam.