John Kerry: “Her presence overseas will send a strong signal immediately that America is back.”

It's very obvious that there are huge threats here.

Depending on what it involves, shadow diplomacy has also saved us from a war.

What we are trying to achieve now is really to establish some stability if we can, in the relationship, without conceding anything.

It's a matter of mathematics and physics, not politics, not ideology. It is a response to the science.