The numbers are staggering. In 1960, there were fewer than one million undocumented immigrants, but most experts now estimate that there are at least 10 to 12 million, and immigrants now make up at least 15% of the labor force. No one defends the current system, which by all accounts is broken. Nevertheless, there is no clear consensus on a fix, and the fact remains that illegal aliens will continue to find ways into the U.S. as long as the pull of American jobs exists.

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