Conan famously replaced Letterman on Late Night, not the Tonight Show, in 1993, and built his empire on that show. https://en.wikipedia.org/wiki/Late_Night_wit

Conan famously replaced Letterman on Late Night, not the Tonight Show, in 1993, and built his empire on that show. https://en.wikipedia.org/wiki/Late_Night_with_Conan_O%27Brien https://en.wikipedia.org/wiki/Late_Night_with_Conan_O%27Brie...