Iran's leader orders higher enrichment of uranium

http://news.yahoo.com/s/ap/20100207/ap_on_re_us/iran_nuclear

International concerns include Iran's refusal to heed U.N. Security Council demands that it freeze its enrichment program; fears that it may be hiding more nuclear facilities after its belated revelations that it was building a secret fortified enrichment plant, and its stonewalling of an IAEA probe of alleged programs geared to developing nuclear arms.