With ‘Unobstructed Rule’ on the Line, Mexican Midterm Outlook Said Still Unclear

With less than four weeks to go before Mexico’s potentially transformative midterm elections, pollsters are still trying to get a clear picture of what to expect.

According to the director of public polling at Mexican daily El Financiero, Alejandro Moreno, Mexico remains in a period of “volatility and uncertainty” and a lot can still change before the elections take place.

On June 6, Mexicans will vote in the entire lower house of Congress. They will also cast their ballots in numerous gubernatorial, state legislature and mayoral races.

Wins for President Andrés Manuel López Obrador’s ruling Morena coalition could give him authority to formally overturn the 2013-2014 energy reform. The president has railed against the reform since coming to power at the end of...