 And after I taught it for a semester and I taught it for several semesters, I said, well, I might as well write a book about this. But I didn't want to write an academic treatise. I wanted to write something that would be of interest to a broad cross-section of Americans. And, you know, as you know, Michael, I have a very unusual background. I've run three federal agencies, trustees, Social Security, Medicare, chairman of the Audit Committee of the United Nations. I'm on the Defense Business Board.