is all that surprising. it's on going developing story. the administration gradually rolled out a set of sanctions across time. so it's possible that the administration wants to move up some things given current news cycles. you wouldn't necessarily think so. >> sources are telling cnn that one area they're scrutinizing is investmentes that they made to companies and think tanks with political action committees. you spoke a little bit about that earlier, specially throws who donated to the trump campaign. do you have any more information about what they're looking for or why they're looking into that specifically? >> the question is, did in effect russian oligarchs and others use cutouts as you'll hear from u.s. intelligence, use middle men to funnel money from the russia to the trump campaign. funnel it through a think tank, political action committee or a straw donor, put it in their name but in effect the money is