welcome back to "morning joe." happy friday. we have amy holmes joining the conversation. and andrea gene robinson talking about the iran deal. says it's not a perfect deal but what is? the subtitle is come on guys. let's settle for less. andrea read if you will our must read. then i want to get your take on it before we go to gene. >> well gene writes if, congress overrides obama and squelches the deal the sanctions regime that brought iran to the table will quickly crumble. economic pressure from the united states alone it seems obvious is not enough to compel iran to give up more than it venders in vienna. on the contrary hard-liners in tehran who argued all along against negotiating with the united states would have their hand greatly strengthened. iran's reaction to a defeat of the agreement in congress might to be crank up the centrifuges in defiance. either way the united states would have lost leverage and iran's nuclear program would be