they struggled with logistics. we have seen a number of missteps along the way. secretary austin with don lemon. ukraine claims to have killed more than 14,000 russian troops since the invasion rgs including a successful attack on an elite russian unit. fred pleitgen has the latest. reporter: another blow to vladimir putin s military. ukrainian forces claiming they ambushed this convoy of russian airborne troops. while cnn cannot independently verify the information, russian state tv acknowledged a senior airborne commander and several soldiers have been killed. while still outgunned, the ukrainians feel they might slowly be turning the tide. the armed forces of ukraine continue to deliver devastating blows at groups of enemy troops trying to consolidate and hold the capture defensive lines a ukrainian army spokesman says.
donald trump postpones the news conference he scheduled to discuss how he ll avoid conflicts of interest. it s been five months since he held a formal press conference. putin s soldiers. never before seen video of russian special operations troops fighting in syria. as controversy swirls in the u.s. over russian hacking and vladimir putin s intentions. a new elite russian unit is taking on isis. can they defeat the terrorists? i am would be. you a i am wolf blitzer. you re in the situation room. amid mounting concerns over russian interference for the white house. donald trump chose a top oil executive close to vladimir putin for secretary of state. senate democrats and some republicans say they are troubled by rex tillerson s ties to moscow and potential conflicts of interest. one senior lawmaker tells cnn tillerson could have trouble