If you haven't read it already, you should definitely take a look at Senator Byrd's 2/12/03 speech, which begins:
To contemplate war is to think about the most horrible of human experiences. On this February day, as this nation stands at the brink of battle, every American on some level must be contemplating the horrors of war.
Yet, this Chamber is, for the most part, silent -- ominously, dreadfully silent. There is no debate, no discussion, no attempt to lay out for the nation the pros and cons of this particular war. There is nothing.
We stand passively mute in the United States Senate, paralyzed by our own uncertainty, seemingly stunned by the sheer turmoil of events. Only on the editorial pages of our newspapers is there much substantive discussion of the prudence or imprudence of engaging in this particular war.
Write to your senators: Suggest they take back their authority to commit us to war.