Somebody hits me, I'm going to hit him back. Even if it does look like he hasn't eaten in a while.
Putin has a lot at stake here and restoring the relationship with the United States, and there are already signs as Sandy mentioned that he's moving in the right direction to begin to ascertain that their trade with Iran is not used for the production of nuclear weapons.
The dance world is too small in lots of ways - it's too intense, it rattles around itself, and it needs exposing to other ideas.