Senator Chris Coons (D-DE) | Reflection on US foreign policy

Question from Michael S. Barr, the former Joan and Sanford Weill Dean of the Gerald R. Ford School of Public Policy:
If you were to think back to the time when you were writing your senior thesis about the role of Congress in US foreign policy, what would you as your later self tell your earlier self about how it actually works?
A Policy Talks @ the Ford School and Vandenberg Lecture event.