is ex-ploploring direc talks with iran. it is an idea that has lawmakers split. listen to what senator lindsey graham told our dana bash this weekend on "state of the union." >> if baghdad falls and the central government collapses in iraq, the iranians are the biggest winner. we're the biggest loser. isis as nic says operates with impunity from syria to baghdad. they will hit us again. they will march on jordan. >> so, megan, would enlisting iran's help be the right move, do you think? >> i think politically it makes a lot of sense for the united states and iran to speak together about this. they in fact don't have totally disparate objectives in iraq. politically looking for stability. iran has looked for a shia leaning government, but in fact, you know, there is a political solution here that i think could be both in iran's interest and the u.s.' interest. militarily, it is an imperative to see iran does not come into iraq and assist is militarily. that will enflame the conflict and it would mean very, very negative things for u.s. interests there. a political