Seonghyun (Sean) YoonApr 23, 20203 min[Friendly Matches] Team SA- Capturing and killing of terrorists w/o consent
Seonghyun (Sean) YoonApr 23, 20203 min[Best Speaker Award] WUDC 2016 GF-Bo Seo (Harvard A) on Marxist Revolution
Seonghyun (Sean) YoonApr 23, 20202 min[Tips] How to practice debating if you are living on a rural island like me