by the way, i have worked with the russians, chartie, as you probably know, for 30 years. and including some eras very coop ralt-- cooperatively. i was the person who ran the program that worked with the russians to control all the nuclear weapons of the former sov yent union whens wall came down and the cold war ended. i negotiated with the russians to get them into thes could vow, an example very, the opposite-- k osovo an opposite outcome to syria to try to settle the kosovo civil war in the balance cans in the 1990s. so i have-- balance kans in the 1990s so, have i some concerns with that, our experience-- what we should be doing always is to wear our interests can be aligned with that of another power, work with them cooperatively. for the first quarter century after the end of the cold war, there were many areas where that was possible. those areas particularly under putin have narrowed in-- . >> rose: why is that? >> progressively. i'm not the person to ask that to. but one way in which they have-- by the way, there still are some areas where we worked productively