From the comments (yeah, I know, WTF and I doing reading comments on the internet???):
Also, considering the fact that the NSA appears to broadcast such critical data to just about anyone with a clearance, it can be assured that they don't care at all about foreign governments learning about them. They are primarily concerned about their real enemy, US citizens, and tangentially concerned about the non-US public (Manning's revelation that the US would no longer be able to support its oppressive allies lead to the Arab spring).
Also, considering the fact that the NSA appears to broadcast such critical data to just about anyone with a clearance, it can be assured that they don't care at all about foreign governments learning about them. They are primarily concerned about their real enemy, US citizens, and tangentially concerned about the non-US public (Manning's revelation that the US would no longer be able to support its oppressive allies lead to the Arab spring).