My talk at the GCR08 conference is now online: Global Catatrophic Risks: An Overview, and Caution about Risk Assessments on Vimeo and as audio. (some liveblogging of the event by John Carter McKnight).
Transcript likely coming soon.
I think my most quotable line is “Very smart people make very stupid mistakes and do so with surprising regularity.” (well, it has been quoted twice so far) Fortunately I'm not very smart, so I do mistakes with either unsurprising regularity or surprising irregularity.