That’s why it’s important that China and Russia exist, China deal with America on soft power, Russia on hard ( the only nation who dared to harbour Snowden).

As I said before, ask human beings or nations to check and balance themselves are a joke ( Sullivan retorted this way to yang during the famous Alaska meeting), it’s simply against human nature:

I said I made a mistake is totally different from you accused me of making a mistake, especially if you and I on bad terms, I was trying to get away with it, ok, I said sorry let’s move on; you will demand investigation and punishment.

How goodDS really is is minor point, the major one is there,s a mother option, another solution, it’s exactly like several labs all working on a hot project, if some1 is faking, they can’t keep emperor cloth on for long