[lepton]

However, the US government isn't outside the reach of the Constitution - regardless of where a particular facility is - because the government has no existence except through the Constitution.

The Executive branch of the federal government is granted authority to manage foreign affairs by the Constitution. The only limitation on that are the treaties ratified by the Senate.

[You Dirty Rats]

Which Constitution are you reading?

Try looking at Article I, Section 8, Clause 3, for example.

Also, I would be interested to know which portion of Article II grants "authority to manage foreign affairs".