On what do you want Prof. Hanson to speak?
saved
http://mason.gmu.edu/~rhanson/futarchy.html
Vouching to reform criminal law
Bitcoin Hash Rate Pricing
AFAIK Prof. Hanson has not thought about this so it would be a bit of a waste as a topic.
The Elephant in the Brain
https://www.tricider.com/brainstorming/2TGJm1PZvbh