He votes no so often on any bill that he views as an extra-constitutional expansion of the federal government's authority, no matter which party sponsored the bill or how popular it is. People often call him "Dr. No."
Honestly, that's not such a bad title to have.
According to the author of this article, he's contemplating crossing party lines for the first time because all of the viable democratic candidates have started to waffle on the issue of ending the war in Iraq immediately.
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