Iran's nuclearization is the greatest single national security threat America faces.

A nuclear Iran is a - a dramatic and - and devastating potential threat to the world and to America. And - and all our efforts should be focused on making that our first priority or keeping them from having that nuclear capacity our first priority.

[T]he greatest threat that the world faces is a nuclear Iran.

What we have said and - and - and with which I concur is that we should use every diplomatic and political vehicle that's available to us to keep Iran from becoming a nuclear capability state.