MEET THE D.A. CANDIDATES

the three democrat candidates for manhattan district attorney will explain in an april 30 forum why they should replace retiring district attorney robert morgenthau. richard aborn, leslie crocker snyder and cyrus vance will participate in the upper west side candidate forum that will be moderated by edward-isaac dovere, editor of city hall, a manhattan media publication. the debate will be held on april 30 from 7:30 p.m. at the goddard-riverside community center, at 593 columbus ave. and west 88th street.