Does this seem racist to you?
Mr Bush said on Thursday that the message should be: "If you are doing a job that Americans won't do, you're welcome here for a period of time to do that job."
(From the BBC)
I guess folks are only welcome here if they want to do a shit job that nobody else will do.
If you're a doctor or a lawyer, well, you're out of luck. The American Dream is all yours, as long as you're willing to work long hours for low pay. But, hey, you're probably used to it!
More information here.
For some interesting insight into the important role that immigrants play in our economy/society, please see the movie "A Day Without A Mexican". It's a very entertaining presentation of what would happen to California if all the Mexicans disappeared. Go rent it. Now.