Although I'm sure that in some respects you are right, seeing as the US is a larger first world country that is not rife with unmanageable corruption among other problems inherent with government in less developed countries, I think that the main reason that we see the emphasis on foreign entities is because the leaked cables were US State Department communiques regarding these various other entities. Had the leak been from some other foreign State Department we may have seen several damning reports regarding the US instead.

BRAWNDO!! It's got electrolytes! Yeeah!

hahah yeeeeah! we could have suspensors and personal shields and even interstellar travel, providing, that is, we are able to get some melange..that part might be a bit tough..