questions now: >>a less than one year ago muammar gadhafi gave a speech saying that he was governor ryle opponents from their bedrooms and shoot them to believe that's justification for the no fly action over libya and now in syria people believe you should begin airstrikes and in iran mitt romney 14 to say that iran will develop a bomb that will change the world >>let's begin with iran: when i came to office, the country was unified making substantial progress on its nuclear program and the world was divided on how to deal ... what we have been able to do was to administer crippling sanctions on that country and mobilize. iran is filling bite of the sanctions and a substantial way they're politically isolated. i have said before we will not tolerate iran having a nuclear weapon my job is to prevent this we do not want to trigger an arms race in the region and would undermine non- proliferation goals we have been in close consultation with allies and with israel and moving forward at this stage it's my belief we have a window of opportunity where this can be resolved diplomatically it's