With Trump, Alliances Come With Strings Attached

President Trump has little use for America’s traditional alliances, and tends to evaluate U.S. relationships according to whether countries are contributing economically to the United States.

Some European Allies Fear Trump Is Out to Destroy Them

Debate is building over just how deep the Trump administration’s antagonism runs, and whether the real goal is to destroy the European Union.

Trump Says Ukraine Should Look to Europe for Any Security Guarantees

President Trump said Ukraine’s president, Volodymyr Zelensky, would visit Washington on Friday as part of a deal for Ukrainian mineral wealth. His position could ultimately embolden Russia.

Europe’s New Reality: Trump May Not Quit NATO, but He’s Already Undercutting It

European officials knew the president’s win would threaten the fundamental precepts of the post-World War II order. But the speed at which it is unraveling has created a crisis of enormous proportions.

As Trump and Putin Circle Each Other, an Agenda Beyond Ukraine Emerges

President Trump jabs at the Russian leader with threats; Vladimir Putin responds with flattery. But there are notable signals in their jousting, including a revived discussion about nuclear arms control.

Trump Vowed to End the Ukraine War Before Taking Office. The War Rages On.

Donald J. Trump’s promise to broker peace between Russia and Ukraine in 24 hours, “before I even become president,” proved to be hyperbole.

Biden Made a Global Push to Constrain China. What Will Trump Do?

Jake Sullivan, the national security adviser, said in an interview that “we’ve just stuck with our theory, which is managed competition.” Trump and Xi Jinping might have other plans.

Rubio Is in Spotlight on Second Big Day of Cabinet Hearings

Senator Marco Rubio, who is nominated for secretary of state, has a long history of personal and policy differences with President-elect Donald Trump.

Biden Aides Warned Putin as Russia’s Shadow War Threatened Air Disaster

The White House scrambled to get a message to President Vladimir V. Putin of Russia last year after U.S. intelligence agencies said a Russian military unit was preparing to send explosive packages on cargo planes.