Conversation so far:
Is Spielberg affiliated with one political party?
Spielberg usually supports U.S.
Democratic Party candidates.
Has he made any films that are political?
President Bill Clinton and worked with the President for the USA Millennium celebrations.
He directed an 18-minute film for the project.

Question: Is there any one cause he is particularly passionate about?
Self-contained rewrite: Is there any one cause that Steven Spielberg is particularly passionate about?