we begin this evening with general ray odierno, the u.s. army, chief of staff. >> i am talking about preventing conflict so for me, one of the things we do is we provide that ability to prevent conflict and what it is is about deterrence and so it is about having, ensuring people think you have the capability, air and naval, land, to conduct operations that would maybe make them think about what they are doing, and as we move to the future we need to make sure we don't lose that ability to deter and make sure it is still something that the president has as an option. iit certainly shouldn't be the first option and i think no president would say it is but i think it is certainly one you want to sustain. i think that's what we are trying to do now is try to sustain that capability. >> we conclude this evening with julian fellowes who created downton abbey. >> but as the show continues, you realize that what these two groups have in common is far more than what separates, and so when we go through the war, when we have these different elements