“AP helped perpetrate a dangerous hoax, and owes an explanation and accounting for what took place, including identifying the ‘officials from a country critical of Iran’s atomic program’ who made false claims about what this is. To begin with, the graph AP touted as reflecting some sort of nefarious, highly threatening and complex nuclear calculation is, in fact, widely available all over the Internet in the most innocuous places. At the Bulletin of Atomic Scientists (BAS), Yousaf Butt and Ferenc Dalnoki-Veress on Wednesday night wrote: ‘Graphs such as the one published by the Associated Press can be found in nuclear science textbooks and on the Internet.'”
http://www.guardian.co.uk/commentisfree/2012/nov/29/ap-iran-nuclear-program-graph-explanation