Everyone who comes out of the process clean will have that much more credibility,

To preserve and build on the credibility we already enjoy, we will need to continue to respond to changing economic conditions in a way that confirms our commitment to low inflation,

Whoever the successor is, he will inherit a complex situation and serious credibility problem.

Mr. Pitt is not behaving in a trustworthy manner that will bring credibility back to the market and restore investor confidence, and I again urge President Bush to ask Harvey Pitt to step aside from his post today,

On gay marriage, for instance, Democrats were all over the lot on the issue. Republicans used it to sharpen their message - that this is what we stand for on this and all these other social, moral values as well.

People may have feelings about an issue in some amorphous way, but then something happens that crystallizes these feelings and that helps people distinguish between position A and position B. Wedge issues sharpen those feelings.