It seems to me we have been in a rhetorical arms race in this country, with each side unwilling to lay down its weapons for fear - usually justified - the other side would beat them to a pulp.
I wouldn`t be surprised to learn that Clinton cost John Kerry more votes than he gained for him whenever they appeared together. Imagine being part of a crowd enraptured by the presence of Bill Clinton, and then having to listen to a speech by John Kerry!