[eli]

Easier said than done. If you recall, the relatively modest improvements in the Affordable Care Act were narrowly approved by Congress and then narrowly avoided being struck down by the Supreme Court.

[natrius]

Canada's system would be as constitutional as Medicare is. The Affordable Care Act introduced a novel (to U.S. case law) mechanism for getting everyone insured.

[herge]

Which was only done to get it narrowly passed by the U.S. Congress.