‘Today, Congress observes the 400th anniversary of a reprehensible moment in the history of our land… In many ways slavery is the United States of America’s “original sin…” But every American should take pride in the undeniable progress we have made in overcoming the terrible chapter that was opened 400 years ago. We should take pride that our American ideals of equality and justice — not the sins of our forefathers — are the true, deepest bedrock of this great nation.’