Who is Caludia Sheinbaum, expected to be new president of Mexico? What would a Sheinbaum administration in Mexico look like? What would interaction with the US look like on immigration, the border and the economy? WSJ's Jose Cordoba, Santiago Perez and Steve Fisher try to answer these questions in this detailed report from Mexico City. Sheinbaum was mayor of Mexico City and was environmental chief during Lopez Obrador's term as Mayor of Mexico City. Obrador has remained popular throughout his 6 years as Mexican president with favorable ratings consistently of over 60%. Mexico limits a president to one six year term. Obrador's party Morena derives from Mexico's indigenous culture and reflects Mexico's history in the 20th century of passion for protecting its national assets including the oil industry from foreign domination or influence, and ardently seeks respect for dignity of Mexicans and Mexican culture. Under Obrador Mexico reached a level of living with organized crime gangs after decades of war against these gangs. The US needs support from Mexico for its border policies and control of border. Obrador was a son of a provincial shopkeeper and spent little time outside Mexico. Sheinbaum sees him as her mentor after work supporting migrant welfare in California with Carlos Imaz, during a period when she finished doctoral work at UC Berkeley and Stanford. Her father was a chemical engineer and her mother a biology professor. Her grandparents were of East European Lithuanian and Bulgarian origin. Sheinbaum says she follows Obrador's principles, yet it will be Claudia that will run the government. Her policies include setting up 100 industrial parks for Mexico's development, and setting up professional police services to control crime throughout Mexico's different states. ...