the federal government health and human services wanted to do an exercise that looked at the post-end iraq's attack. how we would handle from three of four days into its how to a number of days. we're about lots and lots of work around the site of mass access and be able to get antibiotics to people very quickly. the department of public health has done an amazing job of exercising a plan that is really a template for the nation. the play but has been shared through a lot of jurisdictions. that is nice. this is a biological issue. this is a warfare agent that is not going to go away with one round of antibiotics. how you deal with hundreds of thousands of people exposed to something that will take a minimum of 60 days of antibiotics. what you do with the contaminants. it is a question that nobody has really addressed at the highest of all because it focuses on the 72 hours of getting the antibiotics out. we started this process back in the fall, and the exercise series really kicked off in february. it had every level of government and was really unique. has not been done to many times where

iraq. the politics there, the sectarian division is starting to tear at the seams a bit. we have 47,000 troops there due home by the end of the year. "the washington post" editorial this morning poses a provocative question which is what will happen when the last u.s. troops depart? if we leave, does iran back the dominant player in iraq? >> it has potential. they have been a very bad actor in the entire region, which i think is why you saw many arab countries both overtly and quietly support the united states from keeping check on iran's ambitions in the region. that's not going to go away any time soon. syria is acting clearly on iran's behalf. activities in bahrain that are very concerning of what they're doing. we're going to have to watch it in iraq and around the rest of that region. again, why libya is important? imagine now a change where you have libyans, free democracy of some sort of their choosing that is less hostile toward the united states and more inclusive of other arab league partners, that's a positive outcome to the united states when liberty is on the march we ought to be with it in ways that we can and responsibly with you we ough