I don't know how you'd go about actually making it work, because Canada has a similar law and they have issues with it, but free or affordable health care for everyone.  I really, really hate that people cannot afford to simply be well and healthy in the US.  You shouldn't have to suffer or be sick or stay injured just because you don't have enough money, nor should you have to basically file bankruptcy to get a needed operation or something.

image"Avoid loud and aggressive persons, they are vexations to the spirit." - Desiderata, Max Ehrman. 1926. image