Conversation so far:
where did Scott Walker go to school?
Scott Walker graduated from Delavan-Darien High School in 1986 and attended Marquette University.
What was Scott Walker's education?
Scott Walker graduated from Delavan-Darien High School in 1986 and attended Marquette University.

Question: of an initiative for what?
Self-contained rewrite: What did Scott Walker sign an initiative for?