You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

[Q]: Category: LEADING MEN 
Clue: 1 of 2 actors who have earned acting Academy Award nominations in the last 5 consecutive decades
[A]: jack nicholson or michael caine


[Q]: Category: U.S. GOVERNMENT 
Clue: This group that first met in 1942 didn't get a permanent chairman until 1949
[A]: the joint chiefs of staff


[Q]: Category: HARVARD MEN 
Clue: Books by this alumnus include 1957's "Nuclear Weapons and Foreign Policy" & 1994's "Diplomacy"
[A]:
henry kissinger