People come from Wall Street and go into government and then leave government and go back into Wall Street. When you have this kind of revolving door, it’s not just that their interests are not well-aligned with the public; it’s that their mindset is captured by the industry from which they come. They see their interest — the interest of Wall Street — as if it were in the public interest.
— Nobel Prize-winning economist Joseph Stiglitz on lobbying. [full interview here]