The D Brief: Experts warn of war; Trump’s ‘state terror’; CNO’s upcoming instructions; China’s ‘full-stack’ defense-innovation cities; And a bit more.

On Saturday, Trump announced an economic war of coercion against more than a half-dozen U.S. allies in Europe, declaring “a 10% Tariff on any and all goods sent to the United States of America” from Denmark, Norway, Sweden, France, Germany, the U.K., the Netherlands, and Finland. “On June 1st, 2026, the Tariff will be increased to 25%. This Tariff will be due and payable until such time as a Deal is reached for the Complete and Total purchase of Greenland,” the president