Conversation so far:
What is a Goodwill ambassador?
A goodwill ambassador is a person who advocates for a specific cause (e.g. a country or an organisation) on the basis of their notability
What did Orson Welles do?
The mission of the OCIAA was cultural diplomacy, promoting hemispheric solidarity and countering the growing influence of the Axis powers in Latin America
Was Orson Welles good at being a goodwill ambassador?
Welles was responsible for radio programs, lectures, interviews and informal talks as part of his OCIAA-sponsored cultural mission, which was regarded as a success.
What do you find interesting about the article besides Orson Welles's performance as a goodwill ambassador?
Welles's ambassadorial mission was extended to permit his travel to other nations including Argentina, Bolivia, Chile, Colombia, Ecuador, Guatemala, Mexico, Peru and Uruguay

Question: Did he have any other responsibilities?
Self-contained rewrite: Did Orson Welles have any other responsibilities besides being responsible for radio programs, lectures, interviews and being able to travel?