and security protocols. as you know, don, with intelligence often there are different views, different analysis. and what we're told is that some are more concerned about the degree the president went with this information than others. but the concern remains, did he go far enough that russia could, based on this information, and the details, could russia conclude where it came from? in particular what partner of the u.s. the source the information, which would be uncomfortable. >> what's the reaction from the white house? >> well, the white house is somewhat unified, although their messaging is a little confused as to what they are denying. in general they're saying this story is false. let's listen on the white house national security advisor, h.r. mcmaster. >> there's nothing that the president takes more seriously than the security of the american people. the story that came out as reported is false. the president and the foreign minister reviewed a range of