american law. >> it definitely has the power to override american law. you see over and over consistently in the decisions where tribunals say consistency not a defense to liability. so some action that is entire legitimate under domestic law should be found in breach of the treaty and give rise to liability. >> does this open the door for a plethora of legal wranglings that would take place in american court in the pp would allow foreign corporations to sue the government for undermining expectations and hurt their business. so if i'm a foreign investor, i'm investing in the united states i don't like the way it went. i'm going to sue. once it's done there's no representative government. the congress can't come back and say let's pass a law to fix that. is that right? >> that's exactly the issue. they provide foreign