Conversation so far:
What president did nelson work with?
Richard Nixon.
What was the reason Nixon did this?
the perception was that the Alliance for Progress was a failure.
Why was this a failure?
CANNOTANSWER.
Is there anything else interesting?
Nixon appointed his most powerful political rival, New York Governor Nelson Rockefeller to direct the study.
Did they get along well?
The poor relationship between the two politicians suggested that Nixon would not be that interested in the results.

Question: What did the rockefeller report say?
Self-contained rewrite: What did the Nelson Rockefeller report, directed by Richard Nixon, say?