Mexican regional elections on Sunday pose a major test for the ruling party´s hopes of retaining the presidency in 2018 as discontent over corruption and impunity fuels support for the anti-establishment message of a resurgent leftist firebrand.
Voters across Mexico choose new governors in a dozen of Mexico´s 31 states, including bastions of President Enrique Pena Nieto's Institutional Revolutionary Party (PRI) at risk of falling to the opposition after more than 80 years of one-party rule.
National attention is focused on oil-rich Veracruz in the Gulf of Mexico, the country's third most-populous . . .
