Once, these standoffs were conducted between figures of the stature of John F. Kennedy and Fidel Castro.
But now, the world must make do with Donald Trump and Kim Jong-un.
It is impossible for Trump to have changed America's nuclear arsenal in any way in the sixth months that he has been President.
Remember, this man also controls the nukes that we insist on pretending are ours, even to the point of paying for them rather than for, well, anything else at all, really.
These standoffs have done the opposition to nuclear weapons good in the past, although in the end nothing came of it.
But that was when they were conducted between figures of the stature of John F. Kennedy and Fidel Castro.
Now, though, we have the good fortune of Donald Trump and Kim Jong-un.
Either of those pretty much makes our case for us. Never mind both of them.