Another factor is the decision, made in 1976, to sharply divide the FBI and the foreign intelligence agencies. The FBI would collect within the United States; the foreign intelligence agencies would collect overseas.
Myself, I don't think you will ever get security in the Mideast until you have what on the surface appears to be fair to both sides. You have to have leaders committed to peace, on both sides. One side can't impose a solution.
I can remember - I don't want to identify the individual - but a very prominent Democrat, who compared looking at Carter and then Reagan, and then Bush, and observed that many of the people around Carter were totally disloyal to him.
The standard rumor at the time was that Rumsfeld, as chief of staff, had persuaded President Ford to appoint George H.W. Bush as director of Central Intelligence, assuming that that got rid of a potential competitor for the presidency.