Johnny Carson's strict character rule kept Pee-Wee Herman from appearing on 'Tonight Show': book

According to Mark Malkoff's book, Carson refused "Tonight Show" guests who appeared in character, which included Paul Reubens ...
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Banned Stars From The ‘Tonight Show’ By Johnny Carson Exposed, And Why

A new book about Johnny Carson has pulled back the curtain on the Tonight Show host’s banned list. Love Johnny Carson explores the iconic TV host’s career and talk show tenure, featuring interviews ...