The Nation; One Chance For a First Impression
There are eerie echoes of 1988 in 2004 presidential campaign; Republicans in 1988 used meticulously planned campaign aimed at turning Democratic nominee Michael S Dukakis into unacceptable choice for president; they are using another disciplined campaign against John Kerry, painting him as flip-flopping Massachusetts liberal who is soft on defense; Dukakis and Kerry photo (M)