As temperatures soar to record levels, millions of people in the United States work in jobs that expose them to deadly heat. A new federal proposal could change that. So why are some employers fighting the changes?

The Sports Moment: The race for swimming supremacy

Post Reports is the daily podcast from The Washington Post. Unparalleled reporting. Expert insight. Clear analysis. Everything you’ve come to expect from the newsroom of The Post, for your ears. Martine Powers and Elahe Izadi are your hosts, asking the questions you didn’t know you wanted answered. Published weekdays around 5 p.m. Eastern time.