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.

With Trump Arriving, Zelensky Urges Allies Not to ‘Drop the Ball’

In an impassioned address to officials from countries supporting Ukraine, Mr. Zelensky said ‘a new chapter’ would be starting for Europe and the rest of the world, requiring even more cooperation.

Trump Raises Using Military or Economic Force to Take Greenland and the Panama Canal

In an hourlong news conference at his Florida club, Mar-a-Lago, the president-elect delivered a hodgepodge of grievances, complaints and false claims.

‘The Interview’: Antony Blinken Insists He and Biden Made the Right Calls

At the end of a tenure marked by war and division, the outgoing secretary of state defends his legacy on Gaza and Ukraine and says he’s made America stronger.