improperly short- circuit this trial.

would unwisely short-circuit the process.

This is a confirmation proceeding, not a coronation.

If by dignified they mean that tough questions are out of bounds, I must strongly disagree,

It is not undignified to ask the nominee questions he would rather not answer, should he prefer to remain inscrutable, or worse yet, all things to all people.

to let the administration intimidate them into not opposing this war.