action, to stop iran. i think it's important to start on the cost of not acting to stop iran na world in which the ayatollahs would have atomic bombs, i think that would be catastrophic. >> greta: do you have a sense that other nations have that sense of seriousness that you have about this issue? or do you think many nations think we can talk our wiout of this, eighths bit? >> i think they would like it see iran agree to the dismantling nuclear program. they are trying to pressure them to do that. the pressure hasn't been applied. the economic sanctions hurt iran, economically, no question about that. but so far, it hasn't -- these sanctions haven't achieved the one goal they have, which is to make iran stop their nuclear weapons program. >> greta: do you have any doubt they have a nuclear weapons program? >> god, i said yesterday, what do you think iran is doing all of this -- developing these