Cindy Sheehan, a/k/a the "peace mom," probably never intended to sound like a candidate, but she did. Sheehan, the activist who became the face of anti-war sentiment after camping outside President Bush's ranch in Crawford, Texas, last summer, had just mounted the podium at the Brooklyn Peace Fair on October 22. And already she was getting political. "Maybe later we'll talk about your senators," she said, provoking a wave of booing and hissing from the 200-plus crowd. Sheehan, whose 24-year-old son Casey was killed in Iraq in April 2004, was referring to both of New York's "pro-war Democrats," as she...