[SNIP] Mr. Luviano, 39, obtained legal residence in the United States almost 20 years ago. [snip] Mr. Luviano is not using his Social Security number. So he is looking for an illegal [snip = alien]use it for him - providing a little cash along the way. [snip] "It is seen as a normal thing to do," said Luis Magaña, an immigrant-rights activist assisting farm workers in the agriculture-rich San Joaquin Valley of California.[snip] [snip]Many legal immigrants, [SNIP] pad their earnings by letting illegal immigrants work under their name and number, they also enhance their own unemployment and pension benefits. And...