Conversation so far:
What are David Rockefeller's political connections?
At times David Rockefeller served as an unofficial emissary on high-level business. Among the foreign leaders he met were Saddam Hussein, Fidel Castro, Nikita Khrushchev, and Mikhail Gorbachev.
What else did David Rockefeller do besides serve as an unofficial emissary?
President Jimmy Carter offered David Rockefeller the position of United States Secretary of the Treasury but he declined.
How else was David Rockefeller involved in politics besides serve as an unofficial emissary?
In 2006, David Rockefeller teamed up with former Goldman Sachs executives and others to form a fund-raising group based in Washington, Republicans Who Care, that supported moderate Republican candidates.
Did David Rockefeller have any other connections besides former Goldman Sach executives, Saddam Hussein, Fidel Castro, Nikita Khrushchev, and Mikhail Gorbachev?
David Rockefeller was acquainted with Central Intelligence Agency director Allen Dulles and his brother, Eisenhower administration Secretary of State John Foster Dulles—who was an in-law of the family.
Were there objections to David Rockefeller's political connections?
David Rockefeller was criticized for befriending foreign autocrats in order to expand Chase interests in their countries.
What else is notable about David Rockefeller's ties to politics beside the organizations he started and his connections?
In 1968, he declined an offer from his brother Nelson Rockefeller, then governor of New York, to appoint him to Robert F. Kennedy's Senate seat after Kennedy was assassinated.
What was the result of David Rockefeller declined Nelson Rockefeller's offer?
After David Rockefeller declined, Nelson also offered the position to their nephew John Davison Jay Rockefeller IV.

Question: What else happened with his relationship with Kissinger?
Self-contained rewrite: What else happened with David Rockefeller's relationship with Kissinger?