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Of all ennobling sentiments, patriotism may be the most easily manipulated. On the one hand, it gives powerful expression to what is best in a nation's character: a commitment to principle, a willingness to sacrifice, a devotion to the community by the choice of the individual. But among its toxic fruits are intolerance, belligerence and blind obedience, perhaps because it blooms most luxuriantly during times of war.

Americas presidents tend to die young. Maybe it is in the nature of the men who reach such heights, or of the job once they attain it.

Lyndon Johnson realized he really was President, that his identity had changed by President Kennedy's shocking death, when aides who had been like family to him minutes before, stood in his presence on Air Force One.

In his final remarks to the White House staff, on the day he resigned his office, Nixon applied a version of the lesson to himself. “Always remember, others may hate you, but those who hate you don’t win unless you hate them, and then you destroy yourself.

Time is valuable; people are busy.

Eisenhower had run the Army; he knew all the ways decision making can go off the rails, and insisted on collective debate precisely to prevent senior officials from freelancing, or putting their departmental interests first. For all the formal machinery, Eisenhower was very literally the commander in chief, making the key decisions himself and monitoring closely how they were carried out. Even years after D-Day, when critics needled him for not being on the front lines with the invading forces, he retorted, “I planned it and took responsibility for it. Did you want me to unload a truck?