Trump’s ‘Madman Theory’: Bluffing, Diplomacy, and the Unpredictability of U.S. Foreign Policy

Trump’s ‘Madman Theory’: Bluffing, Diplomacy, and the Unpredictability of U.S. Foreign Policy


Is US President Donald Trump bluffing when he says he will take control of the Panama Canal or Greenland “one way or the other,” or about withdrawing the US from NATO? It is difficult to tell. He has been known to both follow through and roll back on his threats.

Unpredictability is a hallmark of Trump’s style of negotiation. He has spent a decade in politics using metaphors of gaming, gambling, and bluffing in his “dealmaking” with other leaders. Take his now infamous spat during a meeting in late February 2025 with Ukraine’s President Volodymyr Zelenskyy in the Oval Office:

Trump: “You’re not in a good position. You don’t have the cards right now. With us, you start having cards.”

Zelenskyy: “I’m not playing cards.”

Trump: “Yeah, you’re playing cards. You’re gambling with the lives of millions of people. You’re gambling with World War III.”

Bluffing has always been a powerful tool of diplomacy. It is a trick used to change another player’s mind, often with threats of military or economic force. Knowing when a bluff is a real threat is part of the game. In Zelenskyy’s case, Trump threatened to withhold force—the military and financial aid the US had been providing to Ukraine in its war against Russia.

Also Read | Donald Trump: An unlikely harbinger of peace in West Asia?

Yet Trump was not bluffing. Days later, the US withdrew its military support for Ukraine. Just as Trump was not bluffing about introducing trade tariffs on China, the EU, Mexico and Canada. Nor about withdrawing the US from the WHO, or defunding US science.

Verifying whether Trump’s threats are empty or intentional is “extremely challenging,” said Seden Akcinaroglu, a political scientist at Binghamton University, New York. But there are ways to study the playbooks of diplomacy to understand his strategic intentions.

The madman theory of diplomacy 

For bluffs to achieve their goal of coercion, a leader must maintain a credible and consistent image of unpredictability. “Even seemingly empty threats can effectively achieve their strategic objectives if they intimidate adversaries or bolster support within their constituencies,” Akcinaroglu told DW.

Nuclear deterrence is a key example — the threat of launching nuclear strikes and a willingness for mutually assured destruction (ironically called MAD for short) has achieved its purpose in preventing thermonuclear war, so far. But it’s difficult to determine the sincerity or credibility of bluffs when US presidents use them,” Akcinaroglu argued.

Cultivating uncertainty is a key tactic of MAD. Richard Nixon coined the term “madman theory” to describe his belief that creating the perception of mental instability could contribute to victory in Vietnam.

“The madman theory is the idea that it is helpful to be viewed as crazy in coercive bargaining. This is particularly useful when following through on threats is very costly,” said Roseanne McManus, a political scientist at Pennsylvania State University, US.

“[But] it is very difficult to tell the difference between genuine madness and credible bluffing,” McManus told DW.

Trump is a ‘madman’ with adversaries and allies  

Every US administration since the Cold War has bluffed and threatened warfare—nuclear or conventional—to serve their strategic purposes, even if the goal is peace. Research in political science has suggested that for 80 years, Russia has believed the US stands behinds such threats of war, especially if any other NATO member country is invaded.

Where Trump’s madman strategy differs to past US presidents, however, is that he uses it on adversaries as well as allies, said McManus. “Since beginning his second term, Trump seems to be seeking to accommodate Russia rather than using a madman strategy toward Russia. Trump may instead be using a madman strategy toward Europe,” said McManus.

His threats to pull out of the NATO alliance come with an additional, veiled threat that he might not defend Europe against future Russian attacks. But it remains unclear what his ultimate intentions are. The uncertainty embedded in his otherwise familiar rhetoric is what makes it hard for other countries to know where they stand with Trump.

Trump could be playing a multi-dimensional mind game.

What can the madman theory tell us about Trump? 

The short answer is that it tells us nothing—but that is the point.

“Trump is clearly aware of his madness reputation and views it as an asset. Nonetheless, it is often unclear to me whether Trump is deliberately employing the madman theory or just acting on his genuine impulses,” McManus said. McManus’ research suggests leaders who never follow through on their threats will tend to lose their madness reputations.

Also Read | Donald Trump gives Europe the finger

“If Trump follows through even some of the time on extreme threats like he recently did with trade tariffs, he can probably maintain his madness reputation,” said McManus. And perhaps that is Trump’s biggest gamble: Playing madman with all sides in his diplomacy hinges on whether he can keep it up. Meanwhile, he leaves everyone guessing.


Source:https://frontline.thehindu.com/news/trump-madman-theory-bluffing-diplomacy-nato-greenland-panama/article69330796.ece

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