our goal of delaying iran getting a nuclear weapon it will give them more money through the relief of sackions to be used for other activityies. it will fuel the sectarian wars around the middle east it will add to the instability, because they're going to have a lot more money to do it. secondly, though isn't it interesting, that in the midst of the delicate phase of the iranian nuclear negotiations iran would choose to dial up the pressure in yemen to the point of sending this convoy et cetera. it makes you wonder whether they think that they can get away with anything because we want a deal so bad. and i think that mindset tells us a lot about what's happening in iran right now. >> as you know the iranians deny they're shipping weapons, arms to those shiite houthi rebels in yemen. the u.s. doesn't believe it. u.s. officials say many of your colleagues on the hill have been briefed on this say they have no doubt that the iranians are