Look what you have on your hands now.

The immigration issue is cropping up in areas as far from the border as Iowa and Nebraska. In one House district in Iowa, Republican primary candidates are running television commercials competing over who is "toughest" on illegal immigration, said Amy Walters, an analyst with the nonpartisan Cook Political Report.

Representative Steve King, an Iowa Republican from another district, said his office had been flooded with angry calls about the recent marches. "It is one thing to see an abstract number of 12 million illegal immigrants," Mr. King said. "It is another thing to see more than a million marching through the streets demanding benefits as if it were a birthright." He added, "I think people resent that."

But Mr. King, who supported a House bill to restrict illegal immigrants without creating a guest-worker program, said he was also feeling new heat from the thousands of Hispanics in his district, many of whom worked in its meatpacking plants. Responding to a survey by his office, some Hispanics called him a racist for asking questions about building a wall with Mexico, or suggested a wall with Canada, he said.

You actually had a lot of Latinos on your side.

When voters approved a ballot measure that year to block access to state services for illegal immigrants, more than 40 percent of Hispanic voters supported it, according to some surveys of people leaving polling places.

But many Hispanics said opinions had changed dramatically in the past few weeks, partly because of the hostility they perceived in some proposals from Mr. Hayworth and other conservatives.

"When people are talking about shooting people who come across the border," said Harry Garewal, chief executive of the Arizona Hispanic Chamber of Commerce, "yeah, I think that causes some angst."

I'd say.

My favorite reactions come from Arizona. Of course.

In Scottsdale, where many employees are Hispanic but few residents are, some voters said the workplace absences on the day of the marches highlighted the importance of immigrant labor.

"If you don't get the Hispanics here working in this town, you don't have cooks in the back, you don't have people building houses," said Bruce Weinstein, an executive eating breakfast at a restaurant.

Many others, however, expressed alarm about the marches, saying the demonstrations could have been a chance to round up and deport illegal immigrants.

"They should all be ejected out of the country," said Andrew Chenot, a construction worker, who added, "They are in my country and they are on my job, and they are driving down wages."

It's the purest representation of the divide in the mainstream communities.