Doris Schaefgen has a walkie-talkie in her hand as she hustles around the glass-domed lobby of the Paris Marriott Hotel on the Champs-Elysees. She adjusts the chairs in front of the bar. She straightens menu cards on little lounge tables nearby. Someone drops a newspaper while waiting to check in; she rushes to pick it up. And then, satisfied that everything in the lobby is just right, she heads …
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