President Volodymyr Zelensky said in Brussels, where the leaders had gathered, that without the money, his country would have to reduce its drone production significantly.

© John Thys/Agence France-Presse — Getty Images

Dmitri N. Kozak had worked with President Vladimir V. Putin for three decades before quitting in September. His associates described his break with the Russian leader.

© Dumitru Doru/EPA, via Shutterstock

The latest proposal is designed to deter future Russian aggression. But Russia is not part of the talks and has shown little willingness to negotiate.

© Laetitia Vancon for The New York Times

Two days of talks between President Volodymyr Zelensky and allies have brought some progress on security guarantees, but Russia remains opposed to any foreign forces in Ukraine.

© Tyler Hicks/The New York Times

Preventing a world where dictators can attack at will requires a military that has the right tools, the right tactics and the right culture.

Preventing a world where dictators can attack at will requires a military that has the right tools, the right tactics and the right culture.

Having “real estate deal guys” as America’s negotiators on the war in Ukraine is a liability, not an advantage. You want a statesman.

The push to close the offices appears to contradict a federal judge’s order from April, which required Trump officials to resume operations at V.O.A.

Don’t let Trump sell out its freedom for business deals with Putin.

Longevity labs, “immortality islands” and grapeseed pills are part of China’s national project to conquer aging, despite sometimes shaky science and extravagant claims.

The two leaders reached an agreement on fentanyl, some tariffs and rare earths, at least for a year. But even as the global trade picture cleared a little, Mr. Trump spurred new worries about nuclear proliferation.