See today's New York Times "Rivals Mine Kerry Senate Years for Material to Slow Him Down"
http://www.nytimes.com/2004/01/25/politics/campaign/25RECO.html?hp
Kerry's Senate record ensures that he will be characterized as inconsistent, a political opportunist, and an out-of-step Massachusetts liberal. Combine that with his uninspiring, passionless public demeanor and you have a recipe for disaster in November.