NO EVIDENCE OF SECRET ENRICHMENT BY IRAN

"... officials have been saying for years that Iran is using its publicly declared nuclear programme as a cover for a clandestine nuclear weapons programme, but has never produced concrete evidence to support that argument... the specter of a clandestine P-2 enrichment programme paralleling the declared P-1 progress at Natanz is not supported by leading independent specialists or by what is known about the history of Iran's nuclear programme..."
http://www.ipsnews.net/news.asp?idnews=33930