As Kamala Harris officially concedes after a terrible election, Democrats begin searching for lessons—and singling out others for blame. Jon, Lovett, Dan, and Tommy discuss Harris's farewell message, the various conflicting and enraging theories being floated as to why she lost, and how we should think about campaigns going forward. Plus: Sen. Jacky Rosen appears to score a win in Nevada, and Democratic House candidates in uncalled races see a path to victory—and maybe even a narrow majority.