"If we don't have a deal and there is absolute intransigence and unwillingness to move on the things that are important for us, President Obama has always said we're prepared to walk away," he said.
In homage to Kerry's fondness of musical diplomacy, just walk:
You keep playing where you shouldn't be playing. You keep thinking you won't get burned.
One of these days these boots should walk all over the mullahs.