One lesson from Snowden's leaks is that the US is engaging in surveillance on supposed allies - not just enemies. This includes intercepting and modifying netwo

One lesson from Snowden's leaks is that the US is engaging in surveillance on supposed allies - not just enemies. This includes intercepting and modifying network equipment during delivery (Tailored Access Operations), and intercepting internal government communications of allies during trade negotiations. The consequences of the latter are quite significant, since knowing the other side's strategy and bottom line gives the US a serious leg up in negotiations.