Can Bill Gates Vaccinate the World?

Lawmakers approved a giant new tranche of support for Ukraine late last night after a tortured passage through the U.S. Congress, where it was nearly derailed by right-wing resistance in the House. Marc Santora, a Times reporter in Ukraine’s capital, Kyiv, explains what effect the money could have, given Ukraine’s increasing desperation on the battlefield. Guest: Marc Santora, who covers Ukraine for The New York Times.

The prosecution and the defense both opened their cases on Monday in the first criminal trial of Donald Trump. Jonah Bromwich, who watched from inside the courtroom, walks us through the arguments. Guest: Jonah E. Bromwich, a reporter for The New York Times covering criminal justice in New York.

The outbreak of bird flu currently tearing through the nation’s poultry is the worst in U.S. history. Scientists say it is now spreading beyond farms into places and species it has never been before. Emily Anthes, a science reporter for The Times, explains. Guest: Emily Anthes, a science reporter for The New York Times.

The chef Samin Nosrat lives by the idea that food is love. Her Netflix series, “Salt, Fat, Acid, Heat,” and the James Beard Award-winning cookbook that inspired it, were about using food to build community and forge connections. Since then, all of her creative projects and collaborations have focused on inspiring people to cook, and eat, with their friends and loved ones. After the recent loss of her father, Samin has gained an even deeper understanding of what it means to savor a meal — or even an hour — with loved ones. This week, she reads an essay about exactly that: “You May Want to Marry My Husband” by Amy Krouse Rosenthal. It’s one of the most-read Modern Love essays ever.

Debates over homeless encampments in the United States have intensified as their number has surged. To tackle the problem, some cities have enforced bans on public camping. As the Supreme Court prepares to hear arguments about whether such actions are legal, Abbie VanSickle, who covers the court for The Times, discusses the case and its far-reaching implications. Guest: Abbie VanSickle, a Supreme Court correspondent for The New York Times.