Trumpʹs unprecedentedly transactional – and highly erratic – approach to foreign policy is similarly destabilising. To be sure, Trumpʹs deal-making was initially framed to some extent by broader values, especially increasing the "fairness" of U.S. relationships, from security co-operation with NATO allies to trade ties with China. Despite Trumpʹs "America first" rhetoric, such actions seemed to be focused more on rebalancing the system than destroying it.

Trumpʹs response to the Khashoggi episode, however, is fully decoupled from any overarching values. To be clear, U.S. presidents, together with European leaders, have been coddling Saudi Arabia for decades and leaders worldwide often base their foreign-policy decisions on realpolitik, rather than moral considerations.

But this is the first time a U.S. president has unabashedly acknowledged the purely transactional nature of their policy decisions. The Saudis, Trump declares bluntly, are "spending $110 billion on military equipment and on things that create jobs" in the United States. "I donʹt like the concept of stopping an investment of $110 billion into the United States."

When life is cheap

Notwithstanding the dubiousness of the figures involved, Trumpʹs comments are a bald statement of monetised interest. The comfort, even pride, with which he makes such statements indicates that we really have entered a new era, in which we cannot expect our leaders to clear even the low bar of trying to fit their decisions into a rules- or values-based narrative.

This is dangerous, because such narratives are vital to maintain the credibility of the global order and the support of domestic constituencies for it. Just like effective leadership and respect for the rule of law, a certain amount of faith in the system – even if it is qualified by frustration with inequality or impunity – is essential to its survival.

A world in which all that matters is the deal, in which there is no ethos guiding our actions and underpinning our governance systems, is one where citizens do not know what to expect from their leaders and countries do not know what to expect from their allies. Such an unpredictable and unstable world is not one that we should blindly accept.

For more moral leadership

It is not too late to respond to Khashoggiʹs brutal murder in a way that reinforces, rather than undermines, the rules on which we all depend. German Chancellor Angela Merkelʹs suspension of arms sales to Saudi Arabia is a good start, even if it was driven largely by her desire to shore up support for her Christian Democratic Union ahead of regional elections in Hesse; so, too, is the current push-back from Washington against a business-as-usual approach to Saudi Arabia.

But more must be done, with principled leaders declaring clearly that what happened in Istanbul is not acceptable. Otherwise, we will effectively be giving up the discourse of values and rules – a decision that could well leave us with no coherent and stabilising discourse at all.

Ana Palacio

© Project Syndicate 2018

Ana Palacio, a former Spanish foreign minister and former Senior Vice President of the World Bank, is a member of the Spanish Council of State, a visiting lecturer at Georgetown University and a member of the World Economic Forumʹs Global Agenda Council on the United States.

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