James L. Buckley

They may then be willing to cast principled votes based on an educated understanding of the public interest in the face of polls suggesting that the public itself may have quite a different understanding of where its interest lies.

This idea that once you get into politics... you are now signed up for lifelong duty being in elective office, makes a fundamental error - and that is believing that the only way you can hold progressive views and implement them is in elective office.