Twice I have served on White House staffs-at the end of one administration (1959-61) and at the beginning of another (1969). All presidencies, of course, are different. But one could hardly fail to observe differences that were exclusively a product of time. Beginnings and endings are different. There are differences of pace, attitude, objectives, and response, not only between adminis- trations but also within each one.
What follows is a composite portrait of a President over the...