Unemployment is only 2 percent in Iceland and the smelter would be likely to rely upon immigrant labor, he said.

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American farmers, fretting over a shortage of workers as immigrant labor becomes harder to find, are being pushed to give mechanization greater consideration.

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He says there is so much competition from cheap foreign fish producers that companies like his in the U.S. would go under without immigrant labor.

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It represents trade associations whose members often rely on immigrant labor.

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"They are hard workers and obedient employees, " Zeng Xiangbiao, a shoe factory owner in Dongguan, told a Chinese reporter in a familiar refrain on immigrant labor.

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But union members are still threatened by immigrant labor.

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The New York crowd was a varied bunch of labor groups, immigrant activists and demonstrators unaffiliated with any specific cause.

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Mr. Shanley, the fifth and last child of an Irish immigrant father who esteemed manual labor, readily admits that he doesn't know a mezzo from a soprano.

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In addition to providing a pathway to legalize 12 million illegal immigrants, Gutierrez proposes to manage future immigrant flow by establishing a commission that ties foreign visas to labor market demand.

CNN: U.S. workers can't hide from competition

Washington (CNN) -- Business and labor negotiators working to hammer out a deal on an immigrant guest worker program have reached broad agreement, a source familiar with the talks said Saturday, eliminating one major hurdle to legislation revamping the nation's immigration system.

CNN: Sides reach broad agreement on immigrant guest workers