The African Americans' story is one that seems to be a repeated commitment to a scenario for success and failure. With each failure, the blow is that much more traumatizing until finally one reaches a point where there is to some degree an internalization, skepticism, fatalism, and expectation that it isn't going to work.
David Levering Lewis is a respected historian known for his research and writings on specific historical eras, figures, or movements. His works might have earned him accolades and awards.