Now the polls show Dem Pols got nary a bounce from Boston, from dousing themselves in war juice and puffing up like Ubu; from cracking down on demonstrators and locking Ralph out. Mr. Gallup called it the smallest postconvention bounce since McGovern in '72. When George Mc Too-Good-to-Govern lost, we got a Dick for President. If John Too Fails to Carry it, we?ll get another Bush. Only our rage will save us now. Only our rage, and October?s surprise.