CNN The Lead With Jake Tapper November 4, 2015 21:58:00
Level of sophistication there, jake. >> all right. pamela brown, thank you so much. joining me now cnn national security analyst bob behr. what do you make of this news cautioned as it were with caveats from u.s. intelligence suggesting that they believe isis or one of its affiliates in all likelihood placed this bomb, a bomb, on a russian airliner over the sinai peninsula? >> well, jake, it's looking more and more like they're convinced of it. they don't go on the record like this downing straight and u.s. intelligence it was a bomb unless they have pretty good evidence. by the way, a lot of ...