The Founding Fathers' fatal flaw was allowing slavery; they couldn't condemn or condone it. Sadly, most had inadequate teaching of a subject foundational to America. Our domestic tranquility today is affected by the Founders indecision. Understanding the past is a prelude to the future.  "A nation cannot choose its past; it can only choose its future." Or as Faulkner said, " The past is never dead, it's now even past."