All you need is a work visa and a place where you are going to work. You then work, pay taxes and study for your citizenship test.
Another thing that has not been mentioned, is the number of illegals in prison. About a quarter of the inmates in the CA state prisons are illegal aliens, why we are housing them is beyond me. I say, load up Con Air and fly their asses to some island in the middle of nowhere and drop them off.
Of course, this is just a bunch of pointless ranting and it is a problem that will never be solved because it is not politically expedient.