They would benefit from George Bush's proposal unveiled earlier this month to grant temporary work permits.

ECONOMIST: Mexico's immigration problem

Senators Ted Kennedy and John McCain have proposed recognising the economic reality behind this issue, allowing employers to hire immigrants on temporary work permits if locals don't want the job.

ECONOMIST: North America

In addition, in mid-June last year, President Obama made headlines by introducing Deferred Action for Children Arrivals (DACA) a way for up to 1.4 million eligible undocumented young people to not only apply to stay in the U.S. legally for two years at a time, but also to potentially obtain temporary work permits and Social Security numbers.

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