It would be an interesting thought exercise, although I doubt anyone would get a straight answer from her, to ask Fonda what she is proud of, exactly.
Why are you 'proud' that you physically, and psychologically, gave support to the Vietcong?
List the things you are proud of:
What do you think you accomplished, exactly? What was your goal, and did you achieve it?
List the things you accomplished:
For her to say that she is 'proud', in a generic and amorphous way, is easy. Asking her why she is proud would most likely make her run away. I doubt that she will ever answer that question.