Apologies if this has been posted before, but I haven't seen it and search turns up nothing: https://www.youtube.com/watch?v=6oLdd_r_EdM His book on the subject seems to have received mixed reviews, but I enjoyed this talk/lecture -- I hope somebody else does, too.
And for an alternative view from our cousins, we have Roger Cirillo - I like his wry growl. https://www.youtube.com/watch?v=f67NeL_iSm8 I first became aware of him from his thesis on Market Garden: Cirillo PhD.pdf - Cranfield University [slow loader]
