Leno describes a bunch of hell gigs and also talks about why he still does 160 standup dates a year.
Comics can't go in the basement and write an act. Maybe some can but I can't. The audience gives me another 40 percent. I'll write a joke and then when I get out there in front of an audience I'll say it and suddenly it's tighter and more concise because they're looking at me and I'm just thinking fast. Y'know, when you're writing, you're thinking slow. And when you're onstage, you think fast. And when you think fast, that's when the funniest stuff comes out.
Here he is back in 1976. Helluva hat.