Program Preview

_ For the week starting Friday, Jan. 23. Times are E.S.T., subject to change.

Metropolitan Opera (Sat. 2 p.m., ABC). Aida, with Milanov, Barbieri, Del Monaco, London.

Youth Wants to Know (Sun. 1 p.m., NBC and NBC-TV). TIME'S Publisher James Linen questioned by teenagers.

The Telephone Hour (Mon. 9 p.m., NBC). With Violinist Jascha Heifetz.

TELEVISION

This Is Show Business (Sat. 9 p.m., CBS). George S. Kaufman returns.

Hall of Fame (Sun. 5 p.m., NBC). Katina Paxinou in Socrates' Wife.

Jack Benny Show (Sun. 7:30 p.m., CBS). Featuring Violinist Benny, backed by a 50-piece orchestra.

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