"I know, for me at least, that over the last 3 years that I have known you, I have learned so much about the history of the 20th Century that I never really knew before or only knew bits and pieces of. Knowing that history so much better now-I know I still have lots more to learn of course-has really helped prepare me for (waves arms around madly) this. You have taught, at least me, so much, and your analysis has helped me prepare for and understand events much better and I would bet that I'm not the only one."

Multiple thumbs up on this, Andi.  I've been a lifer on this board and it's been a fascinating transformation for which I'm so grateful of the historical education and guidance supplied by David and others.  We need it now more than ever.