What does the Democratic Party stand for today? Even its most ardent supporters might offer widely divergent answers to this question. Can it form a coherent set of priorities amidst internal struggles between its centrist establishment and its ascendant liberal wing? Which is more important in 2020 — energizing the base by veering left, or attracting swing voters by upping its centrist appeal? Is it possible to do both of these at the same time as the party navigates the shoals of the economy, health care, access to college, and the question of whether to impeach the president?