> Is there some implication that selling oil to China is constraining sovereignty?

China helping Iran rebuild means China getting more say in Tehran than they have right now. And to date, nuclear non-proliferation has been a serious issue for Beijing. I can't see China being thrilled about a new nuclear power one country away.

> it circulates in exactly the kind of rightwing paranoia circles which strongly influence the current US government

When did it make the jump from the far left to the far right?