Text: Foner quotes David Lilienthal, chairman of the Atomic Energy Commission who, in 1952,  By freedom, I mean essentially freedom to choose to the maximum degree possible.
Entailment: David Lilienthal is the original source of this quote, explaining his philosophical beliefs on freedom and its appropriate effects upon choice.
Contradiction: Foner mentioned a passage from a scientist who spoke in the year 1972, regarding fast-food production and worker stress.