Brian, pardon the pedantry ( but when did that ever stop me!) but I believe EMF used "courage" rather than "guts".
Further thread creep: this reminds me of a cartoon illustrating an article on Australian academics which showed them in stereotypical gowns and mortarboards with corks on strings on the mortarboards, drinking from cans of "E.M. Forsters". (Well, Antipodeans might appreciate it).
Now who has any real information on the HUAC rejoinder?
RtS