Last week I referenced historian David McCullough’s most recent book The American Spirit, a compilation of speeches over the past three decades. There’s a great deal of wisdom in these talks, including this gem from a speech in 1994 to the graduating class at Union College in Schenectady, New York: “Once, in the last century, in the Cambria Iron Works at Johnstown, Pennsylvania, after working for months to build an unorthodox new machine for steel production, the engineer in charge, John Fritz, said at last, ‘All right boys, let’s start it up and see why it doesn’t work.’ It is with that very American approach to problems (McCullough adds) that I think we will find our course.” I love the sense of experimentation that’s at the core of this story. Recently, a colleague and I were discussing a program where our metrics were not (yet) reaching our goals.  We both saw the challenge as a way to push us to dig deep.  To understand that failure can lead to the unpacking of assumptions, new ways …