against isis. saudi arabia executed a collar rick a -- cleric and called for divine revenge. protesters through molotov cocktails, the embassy caught fire as did the sectarian dispute throughout the region. diplomatic ties are falling like dominos. joining me is fareed szakaria. is there more to this crisis than the execution of the collar rick and the storming of the embassy? >> there is much more. this is really the background condition shaping the violence in the middle east for the last decade. we want into iraq and found problems, syria collapsed but under it all, is this great sectarian sunnis versus the shiite. so in a strange way the wonder is it doesn't take longer for this to erupt but now you have open hostility between the