Bird flu and beyond: I talk with PBS Newshour about A Planet of Viruses

Recently I stopped by the offices of PBS Newshour to talk with correspondent Hari Sreenivasan about viruses--from the bird flu that's in the news today to the viruses that swarm the oceans. Here's the video, and here's their story about our conversation. http://www.youtube.com/watch?v=62bEqZhBOn8