Mexico's ruling party next month looks likely to seize one of the last major opposition strongholds in a gubernatorial election that could also help determine its candidate to succeed leftist President Andres Manuel Lopez Obrador next year.
On June 4, voters must choose between two women for a new governor in the State of Mexico, a region encompassing much of Mexico City's urban sprawl, a major driver of the economy and home to nearly one in seven of the country's population.
