November 21, 2017
12:00PM ET
December 5, 2017
12:00PM ET
- Robin Pemantle (University of Pennsylvania)
February 19, 2019
12:00PM ET
- Philipp Hieronymi (University of Illinois at Urbana-Champaign)
September 27, 2022
12:00PM ET
- Gianluca Guadagni (University of Virginia)