[Avodah] Two idle questions

[David Riceman]

Me:
> 2.  What happens when "hefker beis din hefker" contradicts "dina d'malchusa dina" (see the comments about property in the Fifth amendment to the constitution)?
RJR:
> Depends on how you understand the power of hefker beit din hefker. According to some it flows from the melech in the same way dina dmalchuta does
Does that imply that those halachos which depend on HBDH don't apply in 
the US?

David Riceman