This is about the NSA, not the CIA, but still a nice link.

"As the most recent National Security Advisor of the United States, I take my daily orders from Dr. Kissinger, filtered down through General Brent Scowcroft and Sandy Berger, who is also here. We have a chain of command in the National Security Council that exists today."

http://www.cfr.org/world/remarks-national-security-adviser-j...