lingering fear of, of sleeper cells, of a fifth column presence, but in the many cases, this is overblown. that said, you could still see a conflict being used to sort of top cover to, to, to suppress a lot of internal, internal dissent. >> okay, we will open it up to the audience. robin wright. in the front here, katie. >> thanks i have a question for fred. couple of questions, actually. can you take a look or compare for us the kind of activism you see the meddling by iran today versus the early days of the revelation, when they had dreams of exporting and -- revolution, when they had dreams of exporting and were much -- were visibly helping a lot of groups, eastern saudi arabia, the eastern gulf, region as well as deeper in the arab world. and also, compare it with the what the oddies -- saudis are doing in promoting their own funds, promoting wahhbism, building mosquealize over the region and to what degree those two are trying to counter each other or is this really just their own domestic agenda. >> i think there's a qualitative difference between obviously the post-revolutionary pe