In the context of electoral politics and a typology of politicians, which is contrasted with "transactional leadership+
"All modern campaigns and transactional campaogns are built around a candidate who proclaims to the nation "Look at me -- aren't I amazing?".
The Dean campaign (and any transformational campaign successful or not) was built around a candidate who proclaimed "Look at you -- aren't you amazing?"
The Dean campaign was different not because of ideology or because of opposition to the war -- but because it revolved around its supporters and empowered them. It was the only campaign in a long time that realized that the people were more important than the candidate.
James MacGregor Burns wrote "A transformational leader stands on the shoulders of his followers, expressing coherently those ideas which lie inchoate in the hearts of the followers -- and in the process makes his followers into new leaders." (http://mbw.mydd.com/story/2006/12/26/92522/032)