It's horrible. >> reporter: so far talking accomplished little. syrian's government and its russian allies are determined to see a full military victory in aleppo. that will come at an even greater human cost. and more on that diplomacy. just today secretary of state john kerry pleading in paris for fundamental human decency to allow civilians to leave east aleppo. now, this is a problem that donald trump will likely inherit when he comes into office next month, and it's one as you mentioned, betty, in which u.s. troops will have an increasingly large role. >> it is a dire situation. nbc's mat...