reciprocating steps, christine. we don't know the steps. that is the hard work that president trump faces if and when he sits down with kim jong-un. >> will ripley. thank you. russia further aligning itself with syria. in the next two weeks, the kremlin says it will arm the assad regime will the sophisticated air defense systems. a move could heighten the air war over syria. last week, the syrians accidentally shot down a russian military plane killing 15 troops. the kremlin blaming israel for the incident. cnn's fred pleitgen is joining us live from moscow. among the blame game, fred, john bolton calls this significant escalation by the russians. what they are doing. good morning. >> reporter: good morning. he says he blames iranians for all of this to put another country in the mix. the reason why john bolton said that is the israeli war planes in the area were targets pro iranian places down in the part