Michael Pollan on The Daily Show
Good interview -- not strictly about vegan stuff, but about a lot of food issues that most here consider important: 'false cheapness' of subsidized animal foods, impact of industrial farming on health & environment, etc. It's at http://www.thedailyshow.com/watch/mon-january-4-2010/michael-pollan, if you didn't catch it... very cool!
I liked it, too, but then I am a big Michael Pollan fan. While he, himself, is not strictly vegetarian, his latest books were highly influentual in my decision go veg . Through the research for his last couple of books, I think he's in unique position of knowledge about our current farm policies and their effects on this country's diet and culture.
If you are a gardener, I highly reccomend an earlier book of his called Second Nature. This is a collection of stories about his experiences with gardening and some are outrageously funny. I reread the part about plant catalogs at about this time for the last several years and still howl.
More recently, he was on Oprah. I cheer him on as he spreads awareness!