Manhattan station WMCA broke with U.S. radio procedure and with the National Association of Broadcasters code last week. The point was whether radio time should be sold for the discussion of controversial issues. The N.A.B. code (unenforceable) has been against it except for political broadcasts. WMCA declared for it, with the following provisos:
> Time should be sold for controversial issues only if both sides are presented.
> Such programs should not be given under the guise of entertainment.
> Programs which might induce racial or religious intolerance should be rejected.
The watchdog of U.S....