The Cabinet: The Durable Four

Five years, Defense Secretary Robert S. McNamara once remarked, is about the longest any man should serve in a top Administration job. Of the eight men who have held the Defense post since it was created in 1947, he is by all odds the ablest and most controversial (TIME, Jan. 21). Yet as he entered his sixth year on the job, Mc Namara, 49, showed no signs of battle fatigue. Nor, for that matter, did the three other durable men who celebrated their fifth anniversaries as Cabinet officers last week.

DEAN RUSK, 56, has, if possible, weathered even more rumors...