Acknowledgments
I am indebted to many people in the Tehuacán area. First and fore-
most, I am grateful to the people of the southern valley who shared
their insights and experiences with me. I particularly want to thank
Regino Melchor Jiménez Escamilla, who helped me conduct inter-
views, discussed many details of this book, and o√ered me his
friendship. My stay in the valley was enriched by his humor and
intellect. I also thank my English students from the valley, some of
them migrants, for sharing their stories. Zoilo Noel Guzmán Her-
rera spontaneously o√ered to become my research assistant during
one of his visits home, and I thank him for his company. On my first
trip to San José, Celedonio and Irma Zamora extended to me their
hospitality, for which I am grateful. In Tehuacán, I thank Juan Man-
uel Gámez Andrade, then director of the Tehuacán Archives, and
Angel Barroso Díaz, who granted me access to their private archives
of Tehuacán newspapers.
Over the years I have benefited from conversations with scholars,
researchers, and friends based in Mexico. A special thanks goes to
Ricardo F. Macip, who suggested the valley to me as a field site and
o√ered perceptive comments and friendship throughout the evolu-
tion of this project. I am grateful to Antonio Serratos and María
Colin for so patiently explaining various aspects of transgenic corn
regulation on numerous occasions; David Barkin for his knack for
asking the right questions; Leigh Binford for his editorial com-
ments on an early summary of my research; Nancy Churchill for her
always engaging discussion; Edit Antal and Yolanda Massieu Trigo
for sharing their considerable knowledge on gm regulation and
politics; and to all the people who agreed to be interviewed about
corn politics and gm regulation over the years. For their hospitality I
thank the Macip family in Puebla, Eduardo in Mexico City, and Rose
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