homeland security secretary john kelly warning today that election hacking is, quote, the way of the future. meanwhile, sources telling cnn president trump's apparent unwillingnesslicly call out the kremlin has election officials feeling frustrated. cnn's sara murray joins me now with this new reporting. hello, sara. you've been reporting this all day. what are you learning from inside the white house? >> well, don, multiple senior administration officials say that they've been struggling to convince president trump that russia still poses a threat to the integrity of america's elections. in fact, one official told me, there's, quote, no evidence to show trump is actively engaging on this issue. now, the president still gets his daily briefings and, of course, that includes updates on russia, but beyond that, an administration officials there's no paper trail. documents, really nothing to indicate the presidentthere's no paper trail. documents, really nothing to indicate the president is convening meetings or roundtables on this subject the way he has with other threats,