from nytimes.com:
All five senators who are running for president -- Joseph R. Biden Jr., Hillary Clinton, Barack Obama, Christopher J. Dodd, all Democrats, and John McCain -- did not cast votes. The four Democrats had said they would not support Mr. Mukasey because of his equivocation during the confirmation hearings over whether waterboarding is torture. Mr. McCain has also denounced the interrogation method but he issued a statement last week saying he would vote to approve the nomination.
A