E.J. Dionne Jr. - Kennedy's inaugural address presents a challenge still

On Jan. 20, 1961, John F. Kennedy began his presidency with a speech at once soaring and solemn. Fifty years on, we have not heard an inaugural address like it. Tethered to its time and place, it still challenges with its ambition to harness realism to idealism, patriotism to service, national interest to universal aspiration."