I believe it is a mistake to isolate arms control from other areas of policy.
In my particular case foreign policy happens to be my hobby, my consuming interest. I had spent decades studying it.
The Russian empire under czars and commissars has been hard to deal with for other countries.
At any rate, mutually assured destruction was never our policy.
History knows no resting places and no plateaus
I think China will do nothing to obstruct it, and they probably will go along with it.