This week, Donald Trump announced that he would allow Nvidia to sell its powerful H200 chips to China. The Times Opinion editor, Kathleen Kingsbury, argues that the move undermines national security.

Much of Ukraine’s largest Black Sea port was without power, heat and water on Saturday after strikes from Russia, which has shown little appetite for a deal to end the war.

Interviewed as he prepares to leave office, Mayor Eric Adams said that he hadn’t gotten the credit he deserved and that certain forces had always been arrayed against him.

Ivan Urgant was an unstoppable Russian megastar. Then he expressed opposition to President Vladimir V. Putin’s invasion of Ukraine.

His library foundation has told the I.R.S. that by the end of 2027 it expects to bring in just $11.3 million — not nearly enough for a traditional presidential library.