We meet in an hour of change and challenge, in a decade of hope and fear, in an age of both knowledge and ignorance. The greater our knowledge increases, the greater our ignorance unfolds. No man can fully grasp how far and how fast we have come.
—John F. Kennedy, September 1962 Those words opened one of the most transformational speeches of our time (3:42). Listening to it gives me chills. Its opening is equally true today, if not more so. In the climax, President Kennedy d