He was a member of the Lithuanian branch of the Communist Party of the Soviet Union from 1973 to 1990 , and a member of the Lithuanian independence movement , Sąjūdis from 1988 to 1990 .
He was a member of the Lithuanian branch of the Communist Party of the Soviet Union from 1973 to 1990 . He was also a member of the Lithuanian independence movement , the Sąjūdis Initiative Group from 1988 to 1990 .