Front-runner in Mexico’s presidential election, Claudia Sheinbaum, who greatly reduced Mexico City’s murder while mayor, faces challenges to repeating her success on a national scale.Front-runner in Mexico’s presidential election, Claudia Sheinbaum, who greatly reduced Mexico City’s murder while mayor, faces challenges to repeating her success on a national scale.Read More79b15ad8-b1e0-56dc-b573-7d5992cc476d, fox-news/topic/mexican-cartel-violence, fox-news/topic/reuters, fox-news/world/world-regions/location-mexico, fox-news/us/crime/drugs, fox-news/world/crime, fox-news/world/world-regions/latin-america, fnc, fox-news/world, article, ReutersFOX News : World