Today in 2008 U.S. Immigration and Customs Enforcement agents raid the Agriprocessors, Inc. slaughterhouse and meat packing plant in Postville, Iowa, arresting nearly 400 immigrant workers. Some 300 are convicted on document fraud charges. The raid was the largest ever until that date. Several employees and lower and mid-level managers were convicted on various charges, but not the owner—although he later was jailed for bank fraud and related crimes.
• Senate passes new Nafta, but 
