I write about this program in my forthcoming book on identity politics, cancel culture, and academic freedom.  The Smothers Brothers broke the blacklist of Pete Seeger.  Here’s the song Seeger sang on the program.  I can still see that night in my mind’s eye:

Lyndon Baines Johnson (LBJ) was the U.S. president during the war in Vietnam. He was very tall.  You’ll figure out the rest.  Now even Bernie Sanders is dragging us into the Big Muddy, except this time it might be nuclear annihilation.