Interesting. I can usually find stuff in the old LA Times archives, but I’m not finding anything about this (or any reports of the parties you mentioned). What is your source? I would like to read more.
Conversations with Roy Williams. I heard that story from him several times and just assumed it was true.
I do know that Reagan and Hoffa were friends going back to the 50’s when they wer both dealing with the studio bosses on union business.