Yep, it's pretty clear that "overhaul" means "expand Medicaid," as the story makes clear when it says: "About two-thirds of all states have proposed measures to their budgets to expand coverage..."
I think it's something similar to education. The only type of "reform" that the public school teachers and administrators seem to approve of is "more money."
I think it's something similar to education. The only type of "reform" that the public school teachers and administrators seem to approve of is "more money."