This is the first part of our three-part series Late Night Political Party, in which Late Night with Seth Meyers staffers reflect on what it's like to work on a comedy show in a truly unprecedented time in American politics.In this episode, supervising producer Henry Melcher talks to the members of the show's guest research department, comprised of Kat Spillane, Matt Reimann and Elisabeth Roberts. They discuss what goes into preparing Seth Meyers for his interviews with politicians and other political guests.