NEW : Watch bloggers debate what should be done about Iran 's nuclear ambitions » . White House considers tests provocative , denies IAEA approval to enrichment site . Military exercises come days before key meeting with Western powers . Tests also come days after Iran announces it has second uranium enrichment plant . China , Russia , Italy among nations in range of Iranian missiles test .
NEW : White House considers tests provocative , denies IAEA approval to enrichment site . Military exercises come days before key meeting with Western powers . Tests also come days after Iran announces it has second uranium enrichment plant . China , Russia , Italy among nations in range of Iranian missiles test .