Here's two I recently watched. https://www.youtube.com/watch?v=QO__r8Q0bmU https://www.youtube.com/watch?v=QO__r8Q0bmU https://www.youtube.com/watch?v=aVwrUsi

Here's two I recently watched. https://www.youtube.com/watch?v=QO__r8Q0bmU https://www.youtube.com/watch?v=QO__r8Q0bmU https://www.youtube.com/watch?v=aVwrUsib4vU https://www.youtube.com/watch?v=aVwrUsib4vU They are a bit dry, as he is an academic through and through, but he is an academic that has spent a large amount of time in the field.