Let the Mudslinging Begin!

Democrats Unleash Ads Focusing on Rivals’ Pasts - NYTimes.com: "Democratic candidates across the country are opening a fierce offensive of negative advertisements against Republicans, using lawsuits, tax filings, reports from the Better Business Bureau and even divorce proceedings to try to discredit their opponents and save their Congressional majority."

When you can't defend your policies, your record or your ideas, all you have left are ad hominem attacks.