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Five years ago, we published an episode about the boom in home DNA testing kits, focusing on the high-flying firm 23andMe and its C.E.O. Anne Wojcicki. Their flight has been extremely bumpy since then. This update includes an additional interview with the Wall Street Journal reporter who has been investigating the firm’s collapse.

Five years ago, we published an episode about the boom in home DNA testing kits, focusing on the high-flying firm 23andMe and its C.E.O. Anne Wojcicki. Their flight has been extremely bumpy since then. This update includes an additional interview with the Wall Street Journal reporter who has been investigating the firm’s collapse.

Justin Trudeau, facing record-low approval numbers, is doubling down on his progressive agenda. But he is so upbeat (and Canada-polite) that it’s easy to miss just how radical his vision is. Can he make it work?

So you want to help people? That’s great — but beware the law of unintended consequences. Three stories from the modern workplace.

The psychologist Daniel Kahneman — a Nobel laureate and the author of “Thinking, Fast and Slow” — recently died at age 90. Along with his collaborator Amos Tversky, he changed how we all think about decision-making. The journalist Michael Lewis told the Kahneman-Tversky story in a 2016 book called "The Undoing Project." In this episode, Lewis explains why they had such a profound influence.

The psychologist Daniel Kahneman — a Nobel laureate and the author of “Thinking, Fast and Slow” — recently died at age 90. Along with his collaborator Amos Tversky, he changed how we all think about decision-making. The journalist Michael Lewis told the Kahneman-Tversky story in a 2016 book called "The Undoing Project." In this episode, Lewis explains why they had such a profound influence.