U.S. Army Chief Financial Officer Marc E. Andersen argues that the nation must implement a National Security Capital Strategy to leverage private investment and super intelligence to modernize the military and rebuild the defense industrial base.

Sikorski said that the shortage of missiles had worsened after the attacks on Iran.

Expected windfalls from I.P.O.s are drawing health leaders into a race for billions in new philanthropic dollars. A fragile aid system may be upended.

© Arlette Bashizi for The New York Times

"We want to understand what is happening, why it's happening, and where all this is heading," Zelensky told a bipartisan group of U.S. senators and representatives.