The conversation around income inequality typically focuses on the 1 percent vs. the rest of us. Brookings Institution economist Richard Reeves joins us to talk about why the division is really between the top 20 percent of earners – the upper middle class – and everyone else. His new book is called “Dream Hoarders: How the American Upper Middle Class is Leaving Everyone Else in the Dust, Why That is a Problem, and What to Do About It” (Brookings).