The phrase is somewhat vague, I think, but , yes, surely Kennedy used critical thinking in dealing with the Russians and planning his political campaigns. He weighed the options , compared their risks, costs and benefits and decided on a course of action. He may not have done much critical thinking in his sexual adventures.
John F. Kennedy January 20, 1961
John F Kennedy was a Democrat.
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John F. Kennedy was in the Navy
What did John F. Kennedy do as a kid
John F Kennedy
No, John F Kennedy is not single.
Joseph Kennedy was John F. Kennedy's major influence .
Formally he's referred to as John F. Kennedy or sometimes John Kennedy; his friends and family called him Jack, so he was known to some as Jack Kennedy. But he is only very rarely referred to as Jack F. Kennedy. The most common names are President Kennedy, John F. Kennedy and JFK.
John F. Kennedy was a Democrat.
John F. Kennedy was a Catholic.
John F Kennedy is a/an Politician,journalist