Keynes in 1939: If we can cure unemployment for the wasted purpose of armaments, we can cure it for the productive purposes of peace.

[I]f expenditure on armament really does cure unemployment--I predict we shall never go back all the way to the old state of affairs. Good may come out of evil. We may learn a trick or two which shall be useful when the day of peace comes. (via DeLong)
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Sigh...