The Federation for American Immigration Reform, or FAIR, issued a press release announcing that their cost study on immigration will be released tomorrow during a news conference at Iowa's 2007 Talk Radio Row.  

FAIR's press release states that “previous state and private studies over-estimated tax receipts and under-estimated costs.”

The details of this study are sure to be controversial, and the Des Moines Register reported last week that “immigrant-rights groups” are already critical and calling for the upcoming radio event to be scuttled.

Here is part of FAIR's press release promoting the event (bold mine throughout):