All in play in the New Great Game

The big story of 2014 will be Iran. Of course, the big story of the early 21st century will never stop being US-China, but it's in 2014 that we will know whether a comprehensive accord transcending the Iranian nuclear program is attainable; and in this case the myriad ramifications will affect all that's in play in the New Great Game in Eurasia, including US-China