[quote]as opposed to employers being able to undercut the natives by exploiting a vulnerable immigrant resource{/quote]

Ding-ding-ding! Give the man a cigar!

Crack down on the employers who hire these people at pennies on the dollar, pay them cash under the table and, thus avoid all those nasty federal and state taxes.

Why do you think that immigration "reform" is going absolutely no where? Big Bidness owns Congress!