Wow, this was a cool episode. Years ago, (39 or 40) Reb SHlomo Friefeld introduced me to Reb Reuvein Feinstein. There were others, too. From this interview you can see the love that Reb Reuvein has for his fellow Jews, even these two interviewers who are stumbling in their own approach to interviews. Superb.
Would’ve been interesting to know his take on the book written against R Moishe his father. The book מענה לאיגרות - there are many stories about what went on. Would’ve loved to hear it from him.