Soviet Jews Voice Hopes and Doubts On Accord Report
some Jews in Moscow express hope, others skepticism on compromise agreement linking US trade concessions and emigration of Soviet Jews; many commenting are at trial of Viktor G Polsky, Jewish activist barred from going to Israel, now charged with having struck girl in car accident; among those quoted are Aleksandr, Maria and Vladimir Slepak, Aleksandr Goldfarb, Aleksandr Y Lerner, Aleksandr Lunts and Andrei D Sakharov (M)