There will never be an acceptable explanation for what happened between Michael Brown and Darren Wilson in Ferguson but we will never fully grasp why the stage was set for such an encounter unless we know American history.

We cannot fully comprehend why Dylan Roof murdered nine parishioners at Emanuel AME Church in Charleston unless we study the Civil War and the Confederacy.

We cannot truly fathom how a minor traffic stop in Cincinnati could result in a white campus police officer blowing out the brains of an unarmed black man unless we delve into…