. >> berl braden, a member of the faculty in the school of public policy. one the topics that wasn't really discussed so far is the relationship between science and politics. we have scene the difficult in the u.s. system of dealing with one aspect of the political role, which is the structure of our system, federalism. i wondered if you would comment on that and comment on some of the let's options you might draw on between the relation between science and politics. thank you? >> thank you. well, i think that notice popular press, i am referred to as the ebola czar and i never deal as unczary as when i am trying to deal with this. our response to the united states is incredly benefitted by the hard work of many state and local officials, too. this is a two-way relationship. right now, we have about 1400 people who have traveled from west africa in the past 21 days and we monitor them twice a day for their temperature. that's done by state and local officials. our local public health authorities take on at that work every day and make a big contribution of