Why they change the subject Al Knight Denver Post Columnist Sunday, March 16, 2003 - The U.S. Senate spent much of the last week debating partial-birth abortion and the Miguel Estrada nomination to the D.C. Circuit Court of Appeals. While these are starkly different subjects, a common theme was easily spotted in the Senate debates. Most Republicans - who support a ban on partial-birth abortions and who back President Bush's judicial nominee - tried to focus on the central matters at hand. Democrats, in contrast, generally used all of their considerable oratorical skills to simply change the subject. Why, one...