At some point after he became chief surgeon in Napoleon’s army, Dominique Jean Larrey started walking across blood-soaked battlefields to pick out those among the wounded who could still be saved, usually by instant amputation of limbs. In time, he developed a system of sorting and separating — trier in French — the casualties. Ignoring rank and nationality, he ...

  A new year’s resolution for billionaire Jack Dorsey: Spend more time on Tidal, the music-streaming platform recently acquired by his fintech firm Block, and less time on Twitter, where he’s no longer in charge but still making himself heard. Block’s $297 million purchase of a majority stake in Tidal was one of many post-Covid music milestones over past year, ...

  Car dealerships are, in essence, giant lots staffed by folks trained in the art of emptying those lots as quickly as possible and repeating the process ad infinitum. But 2021 was a strange year for all of us, dealers included. Their lots emptied … and then quite often stayed empty as supply-chain snafus idled auto factories. Figures indicate sales ...