This is a terrific analysis Alexandra. I've studied speeches and speechwriting for 30 years, and after all that time and all those speeches, this is the one that I use to teach with (and whose lines I named my book after): https://www.amazon.com/Effort-Understand-Hearing-Another-Ourselves/dp/1633310485

If I can show a class only one speech, this is the one I show, because it pretty much rings all the bells. Your analysis of its beauty is sensitive and wise.

And your understanding of the purpose of speeches is deep.