plane lands in California, it’s pouring rain. We stand scattered around the jet with Sheryl’s black car idling nearby and the rest of us scanning the Uber app and juggling umbrellas while waiting for our luggage to be returned by the overworked staff. Sheryl walks purposefully toward me. I think she’ll make a conciliatory gesture or extend a thank-you for what was a challenging but successful week at Davos. I raise my umbrella politely and she leans in close. “You should have got into bed.” Then she turns her back and stalks off toward the waiting car. I