You probably already know.
But, it's Bob Barr, Lib Prez Candidate, 2008.
Wayne Allyn Root endorsed Barr, when it was clear Root could not win.
UPDATE: The play-by-play....Ruwart had a slight lead. Root's move was the key.
And, Barr had 60 votes just from the GA (his home state), VA, and CA delegations.