U.S. and Allies Aim to Forge Commitments to Ukraine That Will Endure

The specter of a second Donald J. Trump presidency injects new urgency into the NATO summit this week. President Biden and other leaders agree Ukraine should have an “irreversible” path to membership.

A Late Play by the Biden Campaign: Running Out the Clock

Time is on President Biden’s side. Every day that he defies pressure to end his re-election campaign, replacing him becomes harder for Democrats.

In Constant Battle With Insurers, Doctors Reach for a Cudgel: A.I.

As health plans increasingly rely on technology to deny treatment, physicians are fighting back with chatbots that synthesize research and make the case.

They Called It ‘Improper’ to Have Women in the Olympics. But She Persisted.

A century ago, Alice Milliat fought for the inclusion of female athletes in the Olympics. Her contribution, long overlooked, is now being recognized.