Carmen Pérez Noyola prepares to mail in her ballot from Phoenix for the July 1 presidential election in Mexico.

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Carmen Pérez Noyola, holding an envelope, prepares to mail in her ballot from Phoenix for the July 1 presidential election in Mexico.
Carmen Pérez Noyola prepares to mail in her ballot from Phoenix for the July 1 presidential election in Mexico.
Credit: Dominic Valente/PRI