With the exception of the House "enforcement first" bill, nearly every immigration reform plan proposed by members of Congress includes a provision for a new class of allegedly temporary "guest workers," that promises to legally give Americans all the cheap labor of illegal immigration, and then have the disposable laborers just quietly go away.
The idea is based, in part, on European guest worker programs, such as the one in Germany adopted in the labor shortage of the post war economic boom. So how well has this temporary program worked? Check out this update at http://www.msnbc.msn.com/id/12935103/ .
Fifty years later, the guest workers and their children and their grandchildren are still there and not going away quietly, or ever.