The McCain campaign released a new attack ad linking Obama with William Ayers. The ad argues that Obama's conflicting statements about Ayers, and about the mortgage crisis, are signs of blind ambition and bad judgement. Meanwhile, the Chicago Tribune reports that the 2008 campaign is the most negative ever in terms of TV advertising, with McCain's campaign on its way towards breaking the all-time record in the percentage of attack ads. And The Wall Street Journal reports about discussions within the McCain campaign about whether to raise Jeremiah Wright as an issue, and how far to take the negative attacks.

McCain TV ad "Ambition:"