“The bricklayers work with ruthless efficiency, scraping and slathering mortar brick after brick, tamping each down to ensure everything is level. By the end of a single hour, with thousands of spectators watching, they have built a stretch of wall that would be a day’s work for a mason building at a normal pace.” They’re racing against each other. But they’re also racing against the future. From the NYT Upshot: Bricklayers Think They’re Safe From Robots. Decide for Yourself.