Hannah Gadsby's delightful appearance on The Late Show with Stephen Colbert also illustrates his shortcomings with interviews

Hannah Gadsby had one of the biggest and best breakout moments of 2018 with her searing Netflix special, Nanette. That show, set up as a kind of two weeks’ notice to her comedy career, resulted in international acclaim, and she is now performing a new show, Douglas, off-Broadway (it will be on Netfl...