FYI
Heard this today on NPR's Here and Now. It is a study done by Northeastern
University:

Immigrant Work on the Rise
A new study shows that the number of jobs held by immigrants is rising;
while the number of jobs held by American citizens is decreasing.

http://realserver.bu.edu:8080/ramgen/w/b/wbur/herenow/2004/01/hn_0109.rm?start=09: