Although fully listenable without an iPod.
A conversation on Free Culture with cyber-copyright law professor Lawrence Lessig and faux-humble megalomaniac rock star Jeff Tweedy of Wilco, as moderated by Steven Johnson, author of the new Everything Good is Bad for You.
Best to download during the evening hours, when bandwidth competition is lower. Or, figure out that whole audio torrent thing.
Or, wait. There's also a Quicktime video feed. So you can actually see Lessig's Keynote presentation.