DOUBTFUL ON PACT, CLINTON LAYS OUT PLAN FOR MIDEAST
Pres Clinton delivers farewell address to Israel Policy Forum in New York City, spelling out for first time in plainest language yet his specific proposals to solve the Israeli-Palestinian conflict and acknowledging that final settlement is highly unlikely in final days of his term; says both sides need to make deep compromises and that there can be no genuine resolution to conflict without a sovereign and viable Palestinian state; says Israel's security requirements and demographic realities must be addressed; says to achieve Palestinian state goal should be to maximize number of settlers in Israel while minimizing land annexed; says for Palestine to be viable, it must be geographically contiguous state; says Jerusalem should be open and undivided city; other major points of speech discussed (M)