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"I find hope in the work of long-established groups such as the Arms Control Association...[and] I find hope in younger anti-nuclear activists and the movement around the world to formally ban the bomb."

– Vincent Intondi
Professor of History, Montgomery College
July 1, 2020
BOOK REVIEW: Nuclear Weapons and Nixon’s Madman Theory
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December 2015

Reviewed by Michael Krepon

Nixon’s Nuclear Specter: The Secret Alert of 1969, Madman Diplomacy, and the Vietnam War
By William Burr and Jeffrey P. Kimball
University Press of Kansas, 2015, 448 pp.

One debating point in academic circles about nuclear weapons is whether they confer leverage in crises and in war.1 For those confused by or skeptical of the methodologies employed in these arguments, the best way to reach a conclusion is by delving deeply into case studies.

There will be no better book-length case study on coercive nuclear diplomacy than the one just written by William Burr and Jeffrey P. Kimball, Nixon’s Nuclear Specter: The Secret Alert of 1969, Madman Diplomacy, and the Vietnam War. Burr is one of the keepers of the National Security Archive, an essential resource for researchers, writers, and diplomatic practitioners who wish to be informed by history. Kimball is a professor emeritus at Miami University in Ohio and the author of Nixon’s Vietnam War. (He also is the father of Arms Control Today’s publisher.) Burr and Kimball document in significant detail the story of how, in 1969, President Richard Nixon and national security adviser Henry Kissinger sought to avoid a “long game” in Vietnam. In October 1969, they authorized coercive nuclear feints designed to incline North Vietnam to be more receptive to U.S. offers and the Kremlin to be more helpful in arranging an early settlement.

The modus operandi of Nixon and Kissinger for Vietnam was similar to the one they used for the Strategic Arms Limitation Talks (SALT) with the Soviet Union. They set in motion bureaucratic inquiries into policy options that they did not intend to pursue, operated through irregular channels, and tried to keep some key individuals out of the loop.

Burr and Kimball were not granted access to the Kissinger papers at the Library of Congress, which will remain closed to all but a privileged few until five years after his death—a constraint that the authors declare to be “the last standing abuse of power of the Nixon era.” They also did not gain access to archives in China, Russia, or Vietnam to offer greater insight into how these countries assessed the motives and intentions behind Nixon’s nuclear messaging.

They still managed to gather enough material to provide great detail on the veiled nuclear alert and to conclude that it was directed primarily against Moscow. They also provide compelling arguments for why these feints failed in their intended purpose. This book should put an end to academic debates over the diplomatic utility of nuclear weapons to leverage outcomes, but it probably will not.

During the Vietnam War, the United States possessed the largest and most capable nuclear arsenal in the world. It was bogged down in a brutal, extended war with a state that did not possess nuclear weapons. North Vietnam was helpless to stop U.S. aerial bombardment and could not be sure that its patron, the Soviet Union, would respond militarily to U.S. nuclear strikes on North Vietnam. Even under these circumstances, the Nixon administration’s attempts at coercive nuclear diplomacy failed miserably.

The Soviet Union failed to react in hoped-for ways, nor did it overreact. Evidence of the failure of veiled nuclear threats in the fall of 1969 can be found in the war’s prolongation until the armistice agreement signed in January 1973 and ultimately in the collapse of South Vietnam in 1975, after what Nixon and Kissinger termed a “decent interval” of two years.

A case can be made that more conventional military means of suasion—for example, the stepped-up U.S. bombing and mining campaigns in 1972—had more influence on the North’s leadership than the veiled nuclear threats. Burr and Kimball argue otherwise. They conclude with reasonable evidence that these endgame measures were directed more at President Nguyen Van Thieu of South Vietnam, who was balking at the terms that Kissinger was negotiating, rather than the North Vietnamese leadership.

Most of this book is about Vietnam. The portrayals of Nixon and Kissinger are by now familiar, with new flourishes recently added by Bob Woodward’s book The Last of the President’s Men, based on a trove of documents and the recollections of Alexander Butterfield, Nixon’s deputy chief of staff. In the Burr-Kimball book, Nixon and Kissinger sometimes egg each other on. Kissinger flatters Nixon while occasionally evading Nixon’s exasperated instructions. The tide of the Vietnam War and anti-war sentiment are working against them; escalation measures succeed more in inflaming domestic opposition than in bringing the war to a satisfactory conclusion.

Those interested in whether nuclear weapons provide political utility can profit from reading the first chapter of Burr and Kimball’s book, which summarizes nuclear threats made prior to the Nixon administration, as well as the chapter providing particulars about the 1969 nuclear alert, which was characterized as a “readiness test” to avoid raising domestic and diplomatic hackles.

The record of senior U.S. officials believing that nuclear weapons could provide diplomatic leverage begins with President Harry Truman and Secretary of War Henry Stimson after World War II, when they initially considered the atomic bomb to be a “master card,” and Secretary of State James Byrnes, who believed that nuclear weapons would make the Soviet Union “more manageable.” Yet, Truman declined to use nuclear weapons during the Korean War, and Stimson soon had second thoughts and sought to eliminate these weapons.

President Dwight Eisenhower and Secretary of State John Foster Dulles spoke repeatedly about the utility of nuclear weapons, but they too backed away from use in Korea and Vietnam. Military figures argued for restraint because of the absence of suitable targets and the requirements for a large troop presence after using these weapons. Diplomats warned about the likelihood that such use would horrify U.S. allies in Europe and the prospective alienation and outrage in Asia. Other concerns related to the uncertainties of Soviet and Chinese responses. These arguments were persuasive.

The Eisenhower administration faced more crises with nuclear dimensions than any of its predecessors or successors. In September 1954, the Strategic Air Command (SAC) went on alert after the shelling of Quemoy and Matsu, two islands held by Chiang Kai-shek’s Nationalist government off the coast of mainland China. In January 1955, the Eisenhower administration ostentatiously moved nuclear-capable aircraft closer to the Taiwan Strait. SAC readiness levels were raised again in July 1958 during a crisis in Lebanon and yet again in response to heightened threat levels in the Middle East and along the Taiwan Strait in early 1959. Soviet leader Nikita Khrushchev also used nuclear threats during the October 1956 crises sparked by Egyptian President Gamal Abdel Nasser’s nationalization of the Suez Canal.

The absence of battlefield use during the Eisenhower administration was pivotal in establishing what international relations scholar Nina Tannenwald calls a taboo against using nuclear weapons.2 After two presidents, a Democrat and a Republican, managed to avoid using nuclear weapons during the Korean War and in multiple flash points in the Middle East and Asia, the bar was set extremely high for Nixon and Kissinger. The administration of Lyndon Johnson did not seriously consider using nuclear weapons in Vietnam.

Nixon brought to the White House the conviction that his predecessors acted wisely in making nuclear threats, and he was determined to use coercive nuclear diplomacy to shorten the Vietnam War. Kissinger was on Nixon’s wavelength, heartily endorsing the use of conventional force and nuclear threats to bring the excruciating and costly war to a close. The two men considered both tracks in 1969 and settled initially on nuclear feints. Left with the prospect of a long war when this failed, they then chose to raise the ante by conventional means.

Burr and Kimball present no evidence that Nixon and Kissinger were serious about nuclear weapons use but ample evidence that they were intent on nuclear coercion to help persuade Moscow to use its good offices in Hanoi to shorten the war. Both men were convinced that nuclear threats could be translated into leverage even though the track record of previous threats was ambiguous at best. It was as if the absence of horrific consequences when threats were conveyed equaled a successful application of influence even when, as in the cases cited above, outcomes were either indifferent to or immune from nuclear threat-making.

Nixon’s distinctive stamp on coercive nuclear diplomacy was to leave the impression that he might just be off his rocker, thereby lending credence to threats that seemed implausible to Hanoi and Moscow. Nixon apparently remained convinced of the utility of nuclear threat-making long after his resignation from the presidency. He told an interviewer at Time in 1985 that he considered Khrushchev to be a master of this art “because he scared the hell out of people.”

Nixon described this approach as the “Madman Theory,” a phrase he coined during his presidential campaign in 1968 when he spoke with his prospective chief of staff, H.R. (Bob) Haldeman, whose notes of the conversation appeared in Haldeman’s book The Ends of Power: “I call it the Madman Theory, Bob. I want the North Vietnamese to believe I’ve reached the point where I might do anything to stop the war. We’ll just slip the word to them that, ‘for God’s sake, you know Nixon is obsessed about communism. We can’t restrain him when he’s angry—and he has his hand on the nuclear button.’”3

Burr and Kimball define the Madman Theory as “[t]hreatening an adversary with the use of extreme or excessive force—force that normal people would consider disproportionate to the issues in dispute and, beyond that, senselessly dangerous because it risked a larger conflict that would also imperil the vital interests and security of the threatener. Adversaries would or might assume that the threatener was genuinely crazy—even though he was not—and therefore capable of irrational, imprudent, unpredictable acts.”

The alert, carried out between October 13 and 30, 1969, was termed the “JCS [Joint Chiefs of Staff] Readiness Test,” or “Increased Readiness Posture.” The American public was not told about the alert, but some journalists and congressional staffers got wind of it. NATO allies were kept in the dark. Secretary of Defense Melvin Laird and his military assistant, Colonel Robert Pursley, were apprised of the plan. Secretary of State William Rogers was not directly informed of the reasons behind it, and even the JCS chairman, General Earle Wheeler, might not have been, although both men quickly learned the reasons for these feints. (Nixon and Kissinger executed similar maneuvers bypassing Rogers prior to and during negotiations on the SALT I treaty.)

Commanders in the field who received orders to increase readiness for the employment of nuclear weapons, such as raising the number of bombers and tankers on ground alert, were kept in the dark about the geostrategic game plan behind these moves. They raised objections to actions that would degrade pilot training and proficiency while worrying allies. Other particulars of the readiness test included radio silence, increased surveillance of Soviet shipping, higher alert rates for SAC aircraft, the dispersal of bombers, and increased U.S. reconnaissance flights.

These readiness measures were intended to get the Kremlin’s attention but not so much as to bring the superpowers to the precipice. The Pentagon’s orders to commanders in the field sought to draw a fine line between avoiding steps that might be deemed threatening and provocative while taking “unusual and significant” measures. The DEFCON—a formalized sequence of alert levels for crises with nuclear consequences—was not raised during the readiness test, as it was subsequently during the 1973 crisis in the Middle East.

The readiness test ended amid much puzzlement and ineffectuality less than three weeks after it began. It failed to mobilize the Kremlin to do the Nixon administration’s bidding with North Vietnam for several reasons. The means Nixon and Kissinger employed for coercive nuclear diplomacy were undercut by their concern over domestic and allied blowback. It proved impossible to scare the Kremlin sufficiently without scaring the U.S. public and European and Pacific allies. When Nixon met with Anatoly Dobrynin, the Soviet ambassador to the United States, during the readiness test to underscore U.S. messaging, the wily envoy, having been through the crucible of the Cuban missile crisis, correctly interpreted the mixed messages he received as bluff.

Confusion and constraints were compounded because of Nixon and Kissinger’s habit of circumventing regular chains of command and cutting out those presumed to be skeptics of the White House’s methods. Burr and Kimball provide considerable evidence that these maneuvers were amateurish and would have been risky if the Kremlin had taken them more seriously. The Soviet Union noticed what the Nixon White House was trying to do and responded in a low-key way. The Kremlin liked its hand and was not persuaded to do Washington’s bidding. The coercive nuclear gambit ended with a whimper, after which Nixon and Kissinger ramped up bombing and mining campaigns. Despite being a nuclear superpower fighting a non-nuclear-weapon state, the United States was unable to restrain North Vietnam from seeking achievable and embarrassing gains.

U.S. leaders eventually figured out the limits of coercive nuclear diplomacy, but other states continue to ascribe enormous persuasive powers to weapons that have not been used in battle for seven decades. President Vladimir Putin reminds the world of Russia’s nuclear arsenal while engaging in military expeditions in Crimea, eastern Ukraine, and Syria. North Korean leader Kim Jong Un seems quite confident that he can keep adversaries at bay with nuclear threats. When breakdowns in deterrence do not lead to catastrophe in South Asia or when crises are successfully managed, national leaders in Pakistan give significant credit to their nuclear deterrent. Burr and Kimball have written a fine book that challenges these assumptions and tactics.

ENDNOTES

1.  For an argument that they do confer leverage, see Matthew Kroenig, “Nuclear Superiority and the Balance of Resolve: Explaining Nuclear Crisis Outcomes,” International Organization, Vol. 67, No. 1 (January 2013): 141­171. For the opposite argument, see Todd Secher and Matthew Fuhrmann, “Crisis Bargaining and Nuclear Blackmail,” International Organization, Vol. 67, No. 1 (January 2013): 173-195.

2.  Nina Tannenwald, The Nuclear Taboo: The United States and the Non-Use of Nuclear Weapons Since 1945 (New York: Cambridge University Press, 2008).

3.  H.R. Haldeman with Joseph DiMona, The Ends of Power (New York: Times Books, 1978), pp. 82-83.


Michael Krepon is the co-founder of the Stimson Center. He is the author or editor of 21 books, including Better Safe than Sorry: The Ironies of Living with the Bomb. This year, he received the Thérèse Delpech Memorial Award from the Carnegie Endowment for International Peace for lifetime achievement in nongovernmental work to reduce nuclear dangers.