UN report says Iran has stepped up Uranium production. Don't miss Ambassador Seyed Mousavian discussing the Iranian nuclear crisis next Wednesday at the Commonwealth Club. For tix and info: http://bit.ly/N1VBs4 http://bit.ly/Q51BQrIran steps up production of high-grade enriched uranium, U.N. report says - CNN.comwww.cnn.comIran has stepped up its production of high-grade enriched uranium, raising concerns, a U.N. report said Thursday.