This day is never an easy one for me.  I, like anyone who lived in Washington DC, or New York, or a little town in Pennsylvania called Shanksville, have my personal story to tell about that day.  That, however, is not the story I want to tell today as we remember the events of 15 years ago.  I want to tell you the story of a man whose name I do not know, a man working in a TSA line, in Columbus, OH. I was in Ohio (really in Gambier not in Columbus, but that was the nearest airport) to participate in the Kenyon Institute's Beyond Walls spiritual writing program.…