One of the poorest towns in Mexico, El Porvenir last year signed a sister-city agreement with one of the richest, San Pedro Garza Garcia, on the outskirts of Monterrey in Nuevo Leon state. The pact signed last August with President Vicente Fox on hand was meant to be a model for a new vision of fighting poverty: an exchange of products, help with schooling and technical training, new investment for a town where fewer than one in five homes has electricity.
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