It was always empire, the grandiose visions of Brzezinski and Wolfowitz. It was always about fending off competitors: Russia and China. It is about who will own Asia and the unlimited profits contained there.
The Laussanne negotiations between Iran and the so called P5+1 group (the United States, Russia, China, France, Britain, and Germany) have nothing to do with nuclear proliferation. They are, in fact, another attempt to weaken and isolate Russia by easing sanctions, thus allowing Iranian gas to replace Russian gas in Europe.