survey unions is picking up new signs of a significant buildup as russian planes ferry ships and troops and supplies. rebels are various persuasions and a ruthless isis mini state is also involved. the united states is warning moscow of a possible confrontation. let s turn to barbara starr. sheet getting more information. reporter: the u.s. has surprised by russia before just recall the russian takeover of crimea. this type the pentagon the state devil they are urge unitly trying to figure out how far moscow will go. as vladimir putin sense more military into syria. secretary of state john kerry making a second call to russian foreign minister sergei lavrov ratcheting up u.s. pressure.
good at insults. as we know he s very, very rich very, very smart, very, very good at deals, and i think he has a lot of experience of getting very good at insults. he s snarky and he s effective at it. he knows how to land a punch. he may not be able to name terrorist leaders, he may not be able to give you policy specifics on any of the port national security issues but he can certainly land and punch, and he is funny. let s admit it. they got 6.6 million viewers for that show last night. eric let s talk a bit about preparations for this debate. you helped prep mitt romney for a number of debates. what s your advice for jeb bush right now, how to handle trumped next wednesday? i think jeb is doing everything well to this point. we just talked about the colbert appearance.
hits them right back. let s see what he does with dr. ben carson. by the way he said jeb bush is low energy. donald trump accused jeb of having low energy. what about ben carson? he makes jeb bush look like the energized bunny. hillary clinton stand by we have a lot more to report. new information coming in. by the way, the republican presidential candidate now just one week away from their second presidential debate. it will air only here on cnn on wednesday, september 16th live from the reagan library in california. let s take a quick break. much more right after this. if you love shrimp like i love shrimp red lobster s endless shrimp. .is kind of a big deal. it s finally back, with as much shrimp as you want, any way you want em. one taste of these new pineapple habanero coconut shrimp bites and i already want more. they even brought back wood-grilled teriyaki shrimp! yeah, you heard me: teriyaki. and really: