[cnn-photo-caption image=http://i.cdn.turner.com/cnn/2010/OPINION/05/03/frum.immigration.education/tzleft.david.frum.ckennedy.jpg caption="Frum: tougher enforcement could contribute to a more economically competitive nation" width=300 height=169]
When Arizona police ask suspected illegal immigrants for IDs, they are protecting your grandchildren's economic future.
Three years ago, ETS - the people who administer the SAT - released an alarming study. It combined information on test scores with demographic trends to predict that the U.S. work force of 2030 would be less literate, less skilled and worse paid than the U.S. work force of 1990.
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