It is a truth universally acknowledged that a foreign policy community in possession of great power must be in want of peace of mind. Climate change, the Middle East, terrorism, trade, nonproliferation—there is never a shortage of issues and areas for those who work in international relations to fret about. If you were to flip through the back issues of Foreign Affairs, you would find very few essays proclaiming that policymakers had permanently sorted out a problem. Even after the Cold War ended peacefully, these pages were full of heated debate about civilizations clashing.
It is therefore all too easy to dismiss the current angst over U.S. President Donald Trump as the latest hymn from the Church of Perpetual Worry. This is hardly the first time observers have questioned the viability of a U.S.-led global order. The peril to the West was never greater than when the Soviet Union launched Sputnik—until U.S. President Richard Nixon ended the Bretton Woods system. The oil shocks of the 1970s posed a grave threat to the liberal international order—but then came the explosion of the U.S. budget and trade deficits in the 1980s. The perpetrators of the 9/11 attacks seemed like an existential threat to the system—until the 2008 financial crisis. Now there is Trump. It is worth asking, then, whether the current fretting is anything new. For decades, the sky has refused to fall.
But this time really is different. Just when many of the sources of American power are ebbing, many of the guardrails that have kept U.S. foreign policy on track have been worn down. It is tempting to pin this degradation on Trump and his retrograde foreign policy views, but the erosion predated him by a good long while. Shifts in the way Americans debate and conduct foreign policy will make it much more difficult to right the ship in the near future. Foreign policy discourse was the last preserve of bipartisanship, but
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