Numlock Sunday: March 10, 2019

By Walt Hickey

Welcome to the Numlock Sunday edition. Each week, I'll sit down with a writer behind one of the stories covered in a previous weekday edition for a casual conversation about the story they wrote.

This week, I spoke to my friend Alison Griswold, who a few weeks ago wrote about the perilous math behind the scooter craze in her wonderful newsl…

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