Certainly they have been responsive. in some measure. to the concerns of the Members of Congress. Mrs. Jack Thaler has been in direct and indirect communication with the Goldstein families since October 1973. On two occasions she visited with them in Tbilisi. Though their cases have certainly taken a turn for the worse. Mrs. Thaler believes the situation is by no means hopeless. Perhaps of most immediate benefit would be letters from colleagues in Congress and concerned citizens urging the Soviet authorities to grant an emergency visa to the California lawyer who has volunteered to serve as legal counsel to the Goldsteins. Alan J. Gould.