CNN The Situation Room January 21, 2014 22:08:00
Line behind him are just as ruthless and radical. >> christopher swift says whoever replaces umarov is probably from dagestan. experts say that umarov could be hanging out in dagestan. >> we're learning that u.s. officials are stepping up their involvement to try to make sure these olympic games in sochi are safe. >> we have gotten that information. a spokesman for the joint chiefs of chairman says they have discussed the possibility of the u.s. sharing high-tech economic to counter ieds during the olympics. that's being discussed. the intelligence committee is going to have people in that reg...