"Before we get our knickers in a bunch, there is logic to this immunity. While we like our Constitution and laws, other countries like their Constitution and laws. It doesn't matter if the concept of personal freedom is more expansive here. If we expect immunity in their country, we have to extend it to them here."
But with Obama's change, "It means that we have an international police force authorized to act within the United States that is no longer subject to 4th Amendment Search and Seizure."