States could disenfranchise food stamp and WIC recipients too, just like felons
All it takes is some Governors with stones
Good point.
The problem is that some activist judge would rule such a law unconstitutional, regardless if no basis, before next election. Then low-information welfare recipients who don't have a clued about the federal government's constitutionally limited powers would vote governors and lawmakers who supported such legislation out of office, state sovereignty be damned.