Well he’s not a major advisor, but he served on a legal advisor committee of the McCain campaign.
Conservative legal scholar and Reagan Solicitor General Charles Fried, who just endorsed Obama, isn’t just a Republican. He’s actually one of McCain’s campaign advisors.
Before they cycle down the memory hole, here’s Fried on McCain’s Honest and Open Election Committee and Justice Advisory Committee.
Key to his decision was McCain’s “choice of Sarah Palin at a time of deep national crisis.”
from http://www.talkingpointsmemo.com/archives/239703.php
http://www.johnmccain.com/informing/news/PressReleases/90c928f6-38c7-4dc3-86c6-15149dbb8e07.htm
page down to middle of page Charles Fried–Professor of Law, Harvard Law School; former Solicitor General of the U.S.; former Associate Justice of the Supreme Judicial Court of Massachusetts