Anti-choice Democrats don't want the people to have the option of voting for Ralph Nader. So they're trying to toss him from the ballot. Jano Cabrera, a spokesman for the national party, said Democrats would start in Arizona with a challenge to the validity of thousands of signatures that landed Nader on the ballot. Cabrera made it clear that the orchestrated attack was payback for Nader's contribution to Al Gore's defeat in 2000 and a pre-emptive strike to keep him from undermining John Kerry in November. "We have never been moved by Nader's repeated assertions that it was Al Gore...