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