Startups embrace no-shoes office culture

Plus, your Friday news quiz. 

Here’s what we’re covering:

How a Fire Ripped Through a Swiss Bar and Broke a Village’s Heart by Ségolène Le Stradic

Trump Abandons Efforts to Deploy National Guard to 3 Major Cities by Tyler Pager

With Obamacare’s Higher Premiums Come Difficult Decisions by Reed Abelson

Tech Giants Are Racing to Embed A.I. in Schools Around the Globe by Natasha Singer

Welcome to the Office. Now Take Off Your Shoes by Lora Kelley

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