NPR's Cory Turner has been following the story and joins us now. Hi, Cory. CORY TURNER, BYLINE: Hey, Ailsa. CHANG: OK, so I want to start with these workers who have been just put on leave.

NPR's Ailsa Chang talks with Jennifer Herricks, the founder of Louisiana Families for Vaccines, a group that organized a letter asking Sen. Bill Cassidy to denounce RFK Jr.'s HHS nomination. Ailsa ...

NPR's Ailsa Chang talks with Jennifer Herricks, the founder of Louisiana Families for Vaccines, a group that organized a letter asking Sen. Bill Cassidy to denounce RFK Jr.'s HHS nomination.

CHANG: All right. NPR White House correspondent Deepa Shivaram was at the press conference and joins us now from the White House. Hi, Deepa. DEEPA SHIVARAM, BYLINE: Hey there. CHANG: OK ...

NPR's Scott Horsley joins us now. Hi, Scott. SCOTT HORSLEY, BYLINE: Hi, Ailsa. CHANG: OK, so all of these tariffs were set to take effect tomorrow, right? But Trump has offered a temporary ...

CHANG: (Laughter). GAY: In fact, the reporter at ESPN who broke the original news had to come forward and say, no, no, no, no, no, this is... CHANG: This is real. GAY: ...I haven't been hacked.

NPR's Ailsa Chang talks with Jason Gay, a sports columnist for the Wall Street Journal, about the Dallas Mavericks' Luka Doncic, widely considered a once-in-a-generation talent, becoming a Laker.

NPR global health correspondent Fatma Tanis joins us now. Hi, Fatma. FATMA TANIS, BYLINE: Hi, Ailsa. CHANG: OK, so tell us exactly what Rubio's announcement means for the agency. TANIS ...

POWERS: You know, here's the thing, Ailsa, pop stars embody their generation ... They have arrived on the scene fully formed. CHANG: I mean, I hear you, but doesn't this happen all the time?