#1. They wanted a knock down drag out battle. It's not about Miers, it's about the smackdown they wanted to deliver.
#2. There are some people who have bought into the liberal spin. They believe you must have experience as a judge and an impressive law school degree before you can even begin to understand the meaning of the simple words in the Constitution. I guess they don't realize THEY are part of the problem and Miers just might be part of the solution.
These are basic constitutional principles taught in any first year conlaw class. Can you explain them?