In 1982, the Falklands War rescued Margaret Thatcher from political collapse and turned her into a wartime icon. But the deeper lesson of that conflict is more dangerous: diversionary war is appealing to failing leaders, whether democratic or authoritarian. Donald Trump’s long-standing fascination with invading Venezuela, documented in his first term and now echoed by renewed U.S. deployments, a favored opposition proxy, and drug-war legal framing, fits the same dual pattern that produced the Falklands: a desperate leader seeking escape through external confrontation, and the hope of political resurrection through a short, decisive victory. The Falklands Effect turned crisis into triumph for Thatcher, but a Venezuelan conflict today could result in disaster for Trump. The danger is serious, but the power of Trump’s temptation is quietly growing.