A Mexican demonstrator holds a corn cob on "Día Nacional del Maíz" (National Corn Day). Mexicans have an expression: "sin maíz, no hay país” (without corn, there is no country). Mexico has been increasingly reliant on US imports since NAFTA took effect.

Mexican corn.jpg

A Mexican demonstrator holds a corn cob on "Día Nacional del Maíz" (National Corn Day). Mexicans have an expression: "sin maíz, no hay país” (without corn, there is no country). Mexico has been increasingly reliant on US imports since NAFTA took effect.

A Mexican demonstrator holds a corn cob on "Día Nacional del Maíz" (National Corn Day). Mexicans have an expression: "sin maíz, no hay país” (without corn, there is no country). Mexico has been increasingly reliant on US imports since NAFTA took effect. 

Credit:

Henry Romero/Reuters

A Mexican demonstrator holds a corn cob on "Día Nacional del Maíz" (National Corn Day). Mexicans have an expression: "sin maíz, no hay país” (without corn, there is no country). Mexico has been increasingly reliant on US imports since NAFTA took effect.