** ADVANCE FOR SUNDAY, AUG. 19 **Rene Acosta , a second grader at Cora B. Darling Elementary School, participates in Spanish class March 16, 2007, in Postville, Iowa. Agriprocessors Inc., the biggest kosher slaughterhouse in the world, has drawn a diverse mix of nationalities, religions and cultures to this small northeastern Iowa town. (AP Photo/Charlie Neibergall)