Nightly News | September 15, 2012
>> week across the middle east has the white house dealing with an international crisis . a difficult balancing act for the president. about seven weeks until election day . here's more from mike viqueira.
>> reporter: today president obama vowed once more to bring those responsible to justice.
>> those who attack our people will find no escape from justice.
>> reporter: the images of besieged american embassies are just a small part of a larger picture.
>> for every angry mob millions yearn for the prix dofreedom and hope promised.
>> reporter: the white house insists the anti-american violence sweeping the region is not a rejection of the president's policy.
>> the unrest we have seen is a reaction to a film with which the united states government had no involvement.
>> experts say the administration must walk a fine line.
>> it is a dangerous political dynamic on the ground that's fuelled by the fact that the arab spring has not quickly found a very clear direction.
>> reporter: after initially taking hits for politicizing american deaths in libya, mitt romney softened his tone.
>> well, this is politics. i'm not going to worry about the campaign.
>> reporter: with romney trailing on the question of foreign policy running mate paul ryan continues to hammer the president.
>> uh amid all the threats and dangers what we do not see is steady, consistent american leadership.
>> reporter: today a close ally added more foreign policy pressure. in an interview to air on "meet the press" benjamin netanyahu insists president obama gets tougher with iran over their nuclear program .
>> iran is guided by a leadership with an unbelievable fanaticism. the same you see storming embassies today. do you want them to have nuclear weapons ?
>> reporter: the middle east once again a political flashpoint. nbc news, the white house .