As a student of utility regulation, you will of course know the difference between the Ninth and the Tenth Amendments. If not, let's reiterate.
The Ninth permits everything that is not prohibited. The Tenth prohibits everything not otherwise permitted. The one governs the People; the other governs the Government. That's all there is. Now imagine standing on both feet behind a podium, in front of a luncheon crowd of about 100 think-tank types, and holding an audience spellbound for over an hour as you expound upon this noble topic.