The truth emerges. The USA want the Israeli TAPI gas pipline and NOT the Pakistan - Iran gas pipeline. Nothing to do with IRAN being a nuclear threat at all.
http://afghanistantapipipeline.blogspot.com.es/2012/05/usa-threatens-pakistan-drop-iran.html
http://afghanistantapipipeline.blogspot.com.es/2012/05/usa-threatens-pakistan-drop-iran.html