During his campaign, Donald J. Trump vowed to end the Ukraine war by Day 1 of his new term as president. Jeanna Smialek, the Brussels bureau chief for The New York Times, looks at how he described the ...

Knock-on effect: The new rules — which passed by 82 percent in a plebiscite last summer — have had a mixed reaction in Davos, ...

C.E.O.s, policymakers and billionaires at the World Economic Forum’s conference have long pledged to fight climate change. Has it done any good?

The fourth day of the annual gathering also features Javier Milei, the brash and cost-cutting president of Argentina, and Muhammad Yunus, the Nobel Peace Prize laureate who became interim leader of ...