If you're at all interested in paleoanthropology, this next hour will be a treat for you. Here is John Hawks being interviewed by Razib Khan on this week's "Science Saturday." I found it fascinating, both for the subject at hand and for the discussion of how the messy business of science is conducted in the real world.
As always with Bloggingheads.tv diavlogs, if you'd rather not sit in front of your computer and watch a streaming video, you can visit the "alt. video link" and download an audio or video file suitable for playing on your preferred electronic gizmo.
[Added 2009-10-17] See a follow-up diavlog here.