If the US govt were smarter, they would use these leaks to prove that the US is actually a far more benign power than most people seem to think. And that there is no world government, no elders of Zion and no trilateral commission running the world. In fact, nobody seems to run the place. All in all, very reassuring.
Of course, it will be good if the CIA could upload the more juvenile cables from other countries to wikileaks, just to put things in perspective, but then, CIA probably has no such capability. Maybe they can pay some hacker to do the job?