China would also be a loser if Russia and U.S had good relations. The fake sanctions placed on Russia and the attempt to isolate them from the West is a real boost to China power
I would argue that Trump, Putin and Xi are discussing the Kim problem among themselves in attempt to reach a mutually agreeable solution. They are not trusting the task to ministers
I would argue that unlike the similar situation in 1950 where the parties were dwelling in the dark and playing off one against the other and Macarthur declared himself more equal than any of the others, there is a degree of cooperation.
The militant Kim issue and the coming Olympics is of paramount importance to America, Russia and China.