Obama: US will do 'what is necessary' to stop Iran Mar 20, 2013 23:12:18 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by bot on Mar 20, 2013 23:12:18 GMT -5 Obama: US will do 'what is necessary' to stop IranJERUSALEM (AP) -- President Barack Obama is warning Iran that the U.S. will "do what is necessary" to prevent the Tehran from acquiring nuclear weapons..hosted.ap.org/dynamic/stories/M/ML_OBAMA_IRAN?SITE=NYWNE&SECTION=HOME&TEMPLATE=DEFAULT