Viewpoint: Martin Luther King's birthday is a day on, not a day off

We all have seminal seasons in our life, points along our journey that shape who we are, what we believe, and how we view and interact with the world. Nearly 30 years ago, not too terribly long out of Notre Dame, I had the honor of working for Harris Wofford, a U.S. senator from Pennsylvania, a college president, a consummate public servant — including helping to found the Peace Corps — and a respected civil rights activist. Sen. Wofford was also a trusted confidant and adviser to Dr. and Mrs.…