When most people think of immigrants today, they think chiefly of those from Latin America or East Asia. But while most immigrants still come from those regions, an increasing number are coming from a less traditional source: the Middle East. The number of Middle Eastern immigrants in the U.S. has grown nearly eightfold from 1970 to 2000, and is expected to double again by 2010. This growth could have significant repercussions for our homeland security-and our support for Israel.

The Center for Immigration Studies has ... issued a study of this group of immigrants, based on new Census Bureau data. (We…