This paper is a fascinating and useful compendium of highlights from Herman Kahn's works on nuclear strategy, with excerpts chosen by Hudson Trustee John Wohlstetter from On Thermonuclear War (1960), Thinking About the Unthinkable (1962), On Escalation (1965), and Thinking About the Unthinkable in the 1980s (1984 posth.).

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US President Donald Trump reacts after signing executive orders imposing tariffs on imported goods in the Rose Garden at the White House on April 2, 2025, in Washington, DC. (Andrew Harnik via Getty Images)