Recent Publications

Russia's the Enemy
April 21, 2025 — The United States has never been directly involved in the war in Ukraine. U.S. troops weren’t sent there to fight for Ukraine against the Russian invaders, and both sides of our political spectrum seemed intent on keeping it that way. Russia remained in American foreign policy a challenge to be managed and a competitor, even an adversary.Through... MORE

Russia, Ukraine, and Collective Defence
April 21, 2025 — The ability to adapt to a constantly evolving security environment has been critical to the success of NATO, yet this is being tested anew as the Alliance faces a second term of Donald Trump in the White House and re-embraces collective defence in light of Russia’s war on Ukraine. Despite notable solidarity and unity in the immediate aftermath of... MORE

Russia, Ukraine, and Collective Defence | Dr. John R. Deni & Anca Agachi

Does NATO Still Matter?
April 21, 2025 — The alliance has created economic growth, peace and stability. America’s relationship with Europe is undergoing a potentially profound reexamination. Whether and how the transatlantic bond — especially America’s commitment to NATO — will endure has become an open question.To some degree, reassessment makes sense. The NATO agreement was penned over... MORE

Does NATO still matter? | Dr. John R. Deni

Don’t waste this crisis, Europe: consolidate your defense industry
April 15, 2025 — Turn your excess national defense champions into continental ones.Russia’s ongoing war in Ukraine and questions about the American commitment to NATO have cast a spotlight on European efforts to safeguard security on the continent. But today, the major hurdles confronting Europe are no longer defense spending and industrial capacity. At both the... MORE

Don’t waste this crisis, Europe: consolidate your defense industry | Dr. John R. Deni

A Drawdown of US Forces in Europe Is All but Certain
April 15, 2025 — Here’s how the Pentagon can rebalance its approach to the continent without sacrificing US interests.The Trump administration has only just begun to fill its ranks with the political appointees who will flesh out the future of US defense policy. One item sure to be on their agenda is a review of US military deployments around the world, known in... MORE

A Drawdown of U.S. Forces in Europe Is All but Certain | John R. Deni

8 Simmering Threats You Shouldn’t Ignore in 2025: A Plausibly Deniable Russian War Against Europe
January 2, 2025 — The sabotage of undersea communications cables in the Baltic Sea by the cargo ship Yi Peng 3 is only the latest in a series of asymmetric attacks against Western interests and infrastructure that appear to be connected in one way or another to Moscow. The Kremlin has clearly ratcheted up efforts to intimidate and coerce Europe, hoping to... MORE

A Plausibly Deniable Russian War Against Europe | John R. Deni, in Foreign Policy

It’s (Still) More Expensive to Rotate Military Forces Overseas than Base Them There
December 19, 2024 — In mid-2020, then-President Donald Trump ordered the Pentagon to withdraw roughly one-third of US forces from Germany, reportedly because of policy differences with Berlin. Given how long it would take to implement such a significant change in overseas posture, the clock ran out on his term before the Department of Defense could complete it. With... MORE

It’s (still) more expensive to rotate military forces overseas than base them there | By John R. Deni

Will Assad’s Defeat be Putin’s Waterloo?
December 10, 2024 — The narrative of Russia’s ascendancy in 2024 is beginning to look like more fiction than fact. The Assad regime in Syria has become a casualty of Moscow’s increasingly desperate efforts in Ukraine, and its collapse is a strategic and operational blow that undermines the narrative of Russia as ascendant, Kyiv as doomed, and Vladimir Putin as strategic mastermind. ... MORE

Will Assad’s defeat be Putin’s Waterloo? | John R. Deni

Pretexts for War and the Preinvasion Crisis in Ukraine
December 5, 2024 — The US strategy in the run-up to the invasion of Ukraine appeared to undermine Russian efforts to justify the war. While studies of international crises typically focus on the goals of deterrence and escalation management, recent events in Ukraine show that counterjustification is another important objective. Russia used covert activities and deception to try and create a pretext for its invasion, and the United States aggressively countered these efforts... MORE

Pretexts for War and the Preinvasion Crisis in Ukraine | Ron Gurantz

Bargaining for Justice: Ukraine, Gaza, and the Ethics of Conflict Termination
September 23, 2024 — As wars in Ukraine and Gaza continue with little end in sight, the sense of urgency to determine how they should end is increasing, given how the wars could end. A just war aims to establish a better state of peace, but a better state of peace may not always be achievable, and even when it is achievable, it may not be good enough. When that is the case, actors must determine on what terms to settle... MORE

Bargaining for Justice: Ukraine, Gaza, and the Ethics of Conflict Termination | C. Anthony Pfaff

Ukraine in NATO: Beyond the ‘Irreversible Path’
September 20, 2024 — Whether and how NATO might pull Ukraine closer attracted a great deal of attention at the 2024 Washington summit, with the Alliance settling on the formulation of an ‘irreversible path’ towards Kyiv’s membership and pledging to further institutionalise the NATO–Ukraine relationship. There has been comparatively little analysis of what should happen... MORE

Ukraine in NATO: Beyond the ‘Irreversible Path’ | Jorh R. Deni

The Role of America’s European Allies in the Russia-Ukraine War, 2022–24
September 19, 2024 — What more can US allies in Europe do to assist Ukraine militarily? More broadly, what can the United States expect from its closest allies in Europe in strategic competition with Russia and China? In this monograph, John R. Deni and Lisa A. Aronsson assess whether US allies and partners in Europe can continue providing military assistance to Ukraine or expand assistance, while preserving their own national... MORE