By Walt Hickey

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

This week, I spoke to Laura Stampler who a few weeks ago wrote Kylie Jenner Is Giving Birth—to a Baby Retail Empire. Here's what I wrote about it:

Kylie Jenner submitted an application to the United States Patent and Trademarks Office last week to sell items under the brand Kylie Baby, which means that the Kardashian cosmetics and fashion empire has eyes set on the lucrative world of merchandise for infants. Despite slipping birth rates in the U.S., globally speaking that’s still a fine business to be in: the expectation is for the global market for baby products to grow 5.5 percent annually to hit $16.78 billion by 2025. Scoff all you want, but Jenner may very well make a profit by having another kid, which basically no other human in America can claim.

I loved this stor…