Economic incentives. You get nothing from any government program -- no driver's license, nothing. You are shut out of many businesses. Can't open a checking account, etc.
These are solutions that we should be doing right now to stem the illegal alien invasion.
I have not heard if GWB's proposal includes any of your suggestions. Don't forget, a lot of politicians including John McCain condemned Arizona's Prop. 200 which would have dealt with your noted suggestions.