Topics: W. Berlin senate commemorates building of Wall; Walter's parents go home - but the legal battle goes on; Now it's Voyager Two - another close encounter with Saturn; Berlin Wall anniversary - statements from both sides; Reagan defends neutron decision, wants talks with Brezhnev; U.S. control tower strike - the latest round-up; Three times across the channel - U.S. swimmer unhappy with time; Reagan says some European pacifists aid Soviet propaganda; Haig interviewed on Baltic maneuvers, neutron warhead decision; anniversary mass held at Gdanek shipyard strike site; W. German debate over neutron warhead - Genscher and Bahr; Premier Begin expects resumption of U.S. plane deliveries soon; control tower strike - Lewis expects normal service soon; U.N. president on Nairobi energy conference; State Department official, in Thailand, explains Reagan aims; Pope offers St. Stephen's Day prayer for Hungary; Kohl joins W. German debate on neutron warhead; Bishop Schoenherr opens WCC conference in Dresden; Haig announces lifting of suspension of planets for Israel; Vice-President Bush challenges Moscow to show will for peace; NASA says Voyager taking "remarkably clear" Saturn pictures; French premier assures Poland of continued economic aid; Reagan defends his stand in control tower strike; Reagan says he's committed to defense build-up, despite costs; Bani Sadr condemns wave of executions in Iran; Genscher and Czyrek report on their talks.