As Trump’s Untested Emissary to Putin, Witkoff’s Role May Bring Risk

The real estate developer and president’s friend lacks diplomatic experience, but the new administration might view that as a plus.

Power, Money, Territory: How Trump Shook the World in 50 Days

The system America took 80 years to assemble proved surprisingly fragile in the face of Trump’s assault, a revolution in how the country exercises power across the globe.

Plan to Return Russian Diplomats to U.S. Poses Espionage Risk

The Trump administration is negotiating the return of more Russian diplomats to the United States. Some are likely to be spies.

Trump’s Affinity for Putin Grows More Consequential Than Ever

President Trump’s admiration for President Vladimir Putin of Russia has been endlessly dissected, but the American leader’s policy shifts since taking office again could have profound effects.

Trump’s Decision to Halt Aid to Ukraine Could Reorder the Battlefield

Officials have suggested that the pause in weapons shipments and intelligence sharing could be relatively short-lived if Ukraine’s president bends to White House demands.

C.I.A. Director Says U.S. Has Paused Intelligence Sharing With Ukraine

Trump administration officials say the halt in assistance is a warning to the Ukrainians of the consequences of not cooperating with the president.

Canada and China Retaliate Against Trump’s Tariffs, Amid Fears of Trade War

Prime Minister Justin Trudeau of Canada warned that the Trump administration’s tariffs were leading to a trade war. Mexico’s leader vowed to impose countermeasures on Sunday.

Here’s What to Watch For in Trump’s Speech to Congress

Presidents typically use these speeches to promote their accomplishments and lay out their plans. President Trump is expected to touch on Ukraine and government cuts.