Thanks for posting this. I only watched a few minutes and can tell it is going to be good. I’ve bookmarked it for later, when I have time to really watch it.
https://www.youtube.com/watch?v=uUmIdq0D6-A
2 1/2 hours and has lots of supporting images, text on screen. Few years newer. Even though it’s long, he’s not a boring speaker.
Gabe’s 2021 version is probably best. Looks like he may be giving it in a church; https://www.youtube.com/watch?v=VRopgODNrxc
More vids.
https://understandingag.com/webinars/