For those interested in the whole CATO presentation, this is the 70 minute video.
https://www.cato.org/events/stand-ground-laws-self-defense-or-license-kill
"Featuring Clayton E. Cramer, Historian, Co-author, Cato study, Tough Targets: When Criminals Face Armed Resistance from Citizens; Massad Ayoob, Firearms Trainer, author of In the Gravest Extreme; Steven Jansen, Vice President, Association of Prosecuting Attorneys; moderated by Tim Lynch, Director, Project on Criminal Justice, Cato Institute."
https://www.cato.org/events/stand-ground-laws-self-defense-or-license-kill
"Featuring Clayton E. Cramer, Historian, Co-author, Cato study, Tough Targets: When Criminals Face Armed Resistance from Citizens; Massad Ayoob, Firearms Trainer, author of In the Gravest Extreme; Steven Jansen, Vice President, Association of Prosecuting Attorneys; moderated by Tim Lynch, Director, Project on Criminal Justice, Cato Institute."