She lived in housing provided by Stanford University with her two small children and her husband, who was pursuing a Ph.D. there. For four years, Ms. Sheinbaum immersed herself in a new life as an immigrant academic in the United States. She landed on the front page of The Stanford Daily student newspaper for protesting the North American Free Trade Agreement. And to people who knew her, she seemed entirely at ease in California, navigating the world of American academia. “They could have been professors, they could have made their lives here,” said Alma González, a close friend of Ms. Sheinbaum’s in California.

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Persons: Claudia Sheinbaum, Sheinbaum, “, ”, Alma González, Ms Organizations: Lawrence Berkeley National Laboratory, Stanford University, Stanford Daily, North American Free Trade Locations: Mexico City, Northern California, United States, Mexico, California, American, Sheinbaum’s