For the week starting Friday, April 4. Times are. E.S.T., subject to change.
RADIO
Metropolitan Opera (Sat. 2 p.m., ABC). Verdi's Don Carlo, with Tucker, Rigal, Hines, Hotter, Barbieri.
New York Philharmonic (Sun. 2:30 p.m., CBS). Conductor: Dimitri Mitropoulos; soloist: Pianist Robert Casadesus.
United Jewish Appeal (Sun. 7 p.m., ABC). Jose Ferrer in A Child Named Lisa.
Lux Radio Theater (Mon. 9 p.m., CBS). The Magnificent Yankee, with Louis Calhern, Ann Harding.
TELEVISION
Playhouse of Stars (Fri. 9 p.m., CBS). Sylvia Sidney in Experiment.
Presidential Timber (Fri. 10:30 p.m., CBS). Talk by Senator Estes Kefauver....