The morning news had a video clip of Supreme Court nominee Sonia Sotomayor saying something alarming about the role of the court of appeals as a place where policy is made.
The lesson here is Never Think Out Loud. Anything you say can and will be held against you at some point. And people who don't believe in evolution don't believe a person and their ideas can evolve. Every blurt becomes part of the scriptural record, unalterable and damning for eternity.
This happens in any confirmation process. But some people are worse about it than others.
Despite all the muckraking and finger pointing, ideologues on either side seldom get what they want, which is a vending machine for party-line answers.