Article:
"SPRINGFIELD, Ill. — Illinois Senate President John Cullerton's plan to protect undocumented immigrants from what proponents consider federal harassment has won approval."
What it will take to coerce cooperation from recalcitrant state legislatures such as that in Illinois:
Federal agents (supported by federal troops if necessary), rolling into Springfield and taking John Cullerton into custody.
Cut off their funds?
You must be kidding me!