I voted up robin hanson, but I would love either Cory Doctorow or Bruce Sterling because they are both smart scifi authors who are vocally skeptical of something like the singularity happening.
Whoever it is, in my opinion the best discussions would consist of people who share very similar worldviews yet strongly differ on some critical ideas. We don't need to see another religion debate that is for sure.
Bloggingheads.tv can't exactly call up, say, the President of France and get him to do a diavlog, but they have some street cred with mid-rank celebrities and academics. With that in mind, how would you fill in this blank?
"I would really love to see a diavlog between Yudkowsky and ____________."