You may be thinking of Cloris Leachman, not sure? I never watched WKRP, lol, guess Loni wasn’t my cup of tea. Loved Mary Tyler Moore.
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MTM had lots of young clones in NYC that dressed like her
She like Dick Van Dyke to be heavy into the sauce for many years - and she has had health problems that would be affected - Diabetes I believe
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Another actress - older - had a cooking show at that station (on that same show as Ted Baxter) -