[kergonath]

So, enlighten us: is there? Any example of this sort of things between allies? Or is this just an extreme case of both-sides?

Spying and keeping tabs on your friends is one thing. Influence campaigns among close allies are generally not the way it works.

[gmarx]

before the US entered WWII the british had an office of propaganda with offices in New York that was dedicated to getting the US to enter the war.