don't miss a special edition of "the lead" at 9:00 p.m. eastern starting tonight. i'm jake tapper. thanks for watching "the lead." happening now, breaking news. the mystery of flight 370. an urgent race to verify not one but two pings detected underwater. the signals are consistent with an airliner's black boxes. search officials call this the best lead yet. and the u.s. navy is voicing what they call cautious optimism. i'll speak live at this hour with the u.s. navy commander aboard a ship in the region. we'll take a closer look at the next steps in the high-tech underwater search. and a deepening mystery over the plane's flight path right now. why did the plane veer north of indonesia before turning south over the indian ocean? was it an effort to avoid radar detection? i'm wolf blitzer. you're in "the situation room."

>> search officials call it the most promising lead in the hunt for flight 370. here are the latest developments we're following. searchers are scrambling right now to confirm two pings detected by a u.s. locator device. they say the signals from an area nearly three miles deep sounded just like an airliner's recorder pings. sonar underwater drone will be deployed to map the ocean. in the meantime, aircraft are getting ready to resume the search for debris to try to pinpoint the location. and there's fresh mystery right now about the airliner's flight path. a senior malaysian source says that according to radar data, the plane curved north of indonesia before turning south over the indian ocean, perhaps to avoid detection. our analysts are standing by in washington as well as around the world with the kind of coverage

that only cnn can deliver. let's begin with matthew chance. he's joining us from perth, australia. what's the latest, matthew? >> reporter: wolf, thanks. intensive efforts to try to confirm the dramatic findings over the weekend. there are observation flights that are expected to take off here from the australian city of perth within the next few hours. also, a number of ships have made their way to a location where the chinese found those pings over the weekend. but the focus is very much on the australian vessel, the "ocean shield," which using sophisticated equipment on loan from the u.s. navy has made what it appears to be a significant breakthrough. after weeks scouring the indian ocean, this is the best lead yet in the desperate search for malaysian flight 370. >> the towed pinger locator from

"ocean shield" has detected a beacon of the black box. >> reporter: this is nearly 1,000 miles off the coast of australia where two sets of electronic pings were detected 15,000 feet, more than 4,000 meters down. the position needs to be adequately confirmed before this submarine is deployed to get a visual. >> this is being done without finding any wreckage thus far. and i think it's quite extraordinary. and what i'd like to see now is for to us find some wreckage because that will -- that will basically help solve the mystery. >> reporter: recent days have seen the search for the missing plane intensify. over the weekend, a chinese ship said it briefly detected electronic pulses in a different

search area. chinese television showed the crew using a basic sonar device on a small rubber boat to pick up sounds. australian officials say the latest findings measured by the high-tech "ocean shield" are unrelated and the best hope so far for tracking down malaysia's lost plane. it could take several days before we get any real clarity on what has been found. >> matthews chance, we'll stay in very close touch with you. let's bring in miles o'brien, aviation analyst and former ntsb peter goelz and law enforcement analyst, former fbi assistant director tom fuentes. it sounds encouraging to me, based on what the united states navy is saying in a public statement. >> yes. i think we can take that

cautious optimism to the bank when the navy says it and what i like about this scenario is, first of all, the amount of time that they have heard the pings, the fact that they apparently heard two pings, meaning they might have two black boxes in one location and then the fact that it matches up nicely with those inmarsat circles which we've been talking about for so long. it really verifies what the engineers did, remarkable piece of engineering, using technology that in ways that it was never intended to give us the only lead that we had to go on. it's just amazing that we're hearing pings, potentially, without a single shred of wreckage. >> we're going to hear directly, very soon, peter, from commander william marks of the u.s. navy's seventh fleet. we'll speak with him live in a few moments. but in a statement, acquisition of the two signals are encouraging and we are only cautiously optimistic pending

confirmation of the black boxes by the tpl again and visual confirmation with the blue fin-21 side-scan sonar. if the u.s. navy says one thing like this, that's pretty encouraging. >> i think it's pretty solid. i'm with miles. this is really phenomenal work done by the engineers and it's really not uncommon that they would pick up both pings relatively close together. if the tail broke off, it might be a little scattered on the ocean floor but this is really good news. >> if they have actually located it, we should know fairly soon that both of these blacks boxes, the flight data recorder, cockpit voice recorder, here's one of the black boxes and our viewers know that they are really orange, that would respect a significant development because not only do you get information from these black boxes but presumably the wreckage of the plane would be very nearby. >> the wreckage would be so close that you'd have to get both almost at the same time or very close together. the idea that we have these

signal most sophisticated piece of equipment in the entire search region in the water there finding these pulses in the water is the most encouraging part of all. >> what is also clear to me, since they publicly are insisting that they have not found any wreckage, they must be getting other information. not just random luck if they are close to finding these two black boxes, they must be getting information, miles, from secret sources, classified information that the u.s. or other countries don't want to make public. >> well, that's just it. what would it be? satellite of wreckage? >> something that a submarine could do. the u.s. never talks about its submarine's capability. >> submarines are not ideally suited for this. but you're right, there's probably a lot of back channels right now. >> what do you think? >> i think these guys really did the math and that this was their best shot and it set up dead on

the slight curve that inmarsat set up. i think it's hard work that paid off. >> it would be amazing, though, you have to admit, if they find the black boxes without any wreckage because usually it's the other way around. you find the wreckage and then it takes a while to find the black boxes which are so much smaller than a plane. >> it seems amazing. >> i don't know that it's ever happened before, where they have located the black boxes before they located any wreckage. >> no one can -- we can't think of an occasion. what if the plane is in tact? that's the question i have tonight. >> it's possible but unlikely given the fact that this is a huge 777 and it's going into the indian ocean. presumably it's not going to be a sully sullenberger miracle on the hudson. >> with these underwater sonar

detectors and equipment, they will find it relatively quickly? >> well, yeah, it's pretty effective once you get on station with it. it takes time but the wreckage itself will be very obvious using that sonar. >> and what is encouraging is that the u.s. navy says the pings, one lasting for about two hours, one lasting for about 15 minutes came from two locations fairly close to each other. that would be -- that would be a very encouraging sign. >> right. especially for the length of time that would indicate that it's not some marine animal making noises over a 2 1/2 hour period and then reacquired later. so that's pretty encouraging and that's what we have. as far as the debris, they did have a category 5 typhoon right on that exact spot a couple of weeks ago that anything that might have been on the surface could be long gone, again accentuating the fact that this is awfully lucky to be able to drop that device right on top. >> that they would find it now. the chinese over the weekend

earlier had said that they heard some pinging for about 90 seconds, then for a few seconds. that's 3 or 400 miles away from where the u.s. navy says they detected a ping. what do you make of the chinese claim? >> it feels like a red herring. to the extent that there were misdirected resources, the fact that the other ship made this find sort of takes that pressure off the chinese. >> what do you make of the chinese claim? >> i don't think it was taken very seriously. because the device that they were using, you've seen it on tv dropping it in over the side of the rubber boat. it only had a range of 3 or 4,000 feet. it could not have picked up the ping g pinger or highly unlikely at the deck that it was at. so i think it probably was an ambient noise from the ship itself. >> so just they got confused because they said it was the exact same megahertz. >> it's common in the marine

field. >> really? they could have totally been confused. is that your analysis? >> we were questioning saturday, why does it seem like the australians are so slow to react to the chinese information? they say we're contemplating what we're going to do about this, well it seems now they must have already had something from the "ocean shield" that caused them to not quite believe what the chinese had. >> i wonder if it was a photo op for chinese consumption? we looked through that video and there was a pinging device on the vessel itself which was used to test the device that is supposed to hear it but it's not considered good protocol to have a pinger on the same boat. >> they may have been confused or they may have deliberately said that the others who did find apparently some sort of ping and they say they are cautiously optimistic that they are on to the real thing. we'll find out fairly soon

whether or not they are right. stand by, guys. cautiously optimistic. those are the words of the united states navy after weeks of frustration. that counts as a very up beat statement by the navy. i'm about to speak live with a u.s. navy commander aboard a ship. commander william marks. we'll talk about what is going on. and a senior owe fiths says the plane veered north before heading south. is that a new clue or a series of mixed messages from malaysia? when it comes to good nutrition...i'm no expert. that would be my daughter -- hi dad. she's a dietitian. and back when i wasn't eating right, she got me drinking boost. it's got a great taste, and it helps give me the nutrition i was missing. helping me stay more like me. [ female announcer ] boost complete nutritional drink has 26 essential vitamins and minerals,

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after a month of deep frustration, the detection of pings in the indian ocean is being called the best lead yet and the u.s. navy now says publicly it's cautiously optimistic. joining us on the phone, commander william marks of the u.s. navy's seventh fleet. he's aboard the "uss blue ridge." commander, what do you think? have you found the plane? >> good morning. i can't quite say we found the plane yet. we are working around the clock to reacquire the signal. but there was some encouraging developments over the weekend. we are cautiously optimistic. probably more so just when it happened and as the weekend goes on we're still working hard to get it back but i can walk you through the process of what we heard this weekend, if you'd like. >> go ahead. i want to make sure i understand. are you more upbeat now than you were, say, 12 hours or so ago?

>> actually, no. we are probably, if anything, more cautious. by this time, the signal we acquired, it's been almost a day and a half. so we had a solid two hours of detection time earlier. actually, two hours on one course and then we turned around and what you want to do is turn around on a resip pro cal course. and that's how you get a line of bearing. and if they cross, you can get a location of the object. we had two hours of coverage time on one leg as we were towing the tpl and then we turned around and had about 15 more minutes of coverage which was encouraging and then it dropped off. >> the 15 minutes, commander, was from a slightly different

location which would seem to suggest, as you yourself have pointed out, i believe, that maybe these were coming one from the flight data recorder, one from the cockpit voice recorder, the two so-called black boxes. is that right? >> yeah, exactly. so that was just one of a number of encouraging signs from -- and this would have been the 5th by now. so the first encouraging sign was the length of the detection that we had and then when we turned around we did hear -- it was essentially the same frequency but two different locations and which would correspondent with both the cockpit recorder and the flight data recorder. so that was a second encouraging sign. but once again, this is a 24-hour operation. we haven't quit since we initially heard these signals. we've been going continuously around the clock and we haven't been able to reacquire them.

>> do you think it's possible that the batteries may have run out during those 24 hours because we know they usually last for about 30 days and we're now in day 31. >> yeah, that's certainly a big factor, the race against the clock. so a couple big challenges. one, like you said, the batteries at any point could die down and the second thing is, the effectiveness of our towed pinger locator really is only as good as the strength of the signal coming out of the pinger. so as the battery dies down or if we're just not in range of about a mile, which is not a long distance at all, then the tpl is not going to hear it. so a lot of challenges and the final challenge is, we're working in three dimensions. you not only have to get close to it with the "ocean shield" with the u.s. navy team and

australian team, not only do you have to get close to it in the direction they are going but in the depth. so we are working in three dimensions. so a lot of challenges and as time goes on our optimism is becoming more and more cautious until we can reacquire this. >> because the weaker the batteries, also the weaker the signal that is being emitted from those two black boxes, right? >> yeah, exactly. and eventually it will die down. it's obama a matter of time, as you mentioned, we're past the 30-day mark. and here's the critical point. when we lose the signal of the black box, our pinger locator really is not effective. you then have to switch to a scanned sonar, which we have on board. but the problem is, if you don't know where to look with that, it's going to be an extremely difficult process to map the ocean floor and to get the visual pictures where you don't even know if you're in the right

spot. so what we were hoping is to have the two pieces of equipment work in tandem. first, the towed pinger locator would get a more exact location and then we could move in with the blue fin side scan sonar. so we were hoping to get a one-two punch in there. until we can reacquire the signal, it's going to be really hard to get our sonar out there. >> it would really be a tragedy if the batteries were dead or too weak to emit the pinging sounds that are supposed to come out every one second. but you would have a much smaller area to search knowing -- let's assume that what you heard for two hours from one little area, what you heard for 15 minutes from another little area not far away, it's not a huge area compared to the thousands and thousands of square miles that you originally were searching for. >> you're right. and one thing is you can look

back to when this started a month ago and we were looking in a tiny area off the coast of thailand. so this effort is encouraging on a number of levels. the work across the various countries involved and up there in seventh fleet, this is important for us to work closely with all of these countries. and another thing for the audience is, don't forget how big of an area this is to widdle it down to possibly tens of miles is pretty incredible. this is an area, if you superimposed a map of the united states, you could fit 50 states of the united states in the indian ocean area. it's encouraging. more so probably when we first got these signals so we're working to reacquire them right now. >> i want to talk about what those chinese signals were in a

second. but miles o'brien, commander, has a question for you. go ahead. >> commander, thank you very much for your time. i wanted to back up a little bit. was this, in some respects, while educated, a lucky break or was there some specific information that you had that put you on this particular spot? i know it's on the 819 arc. was there something else that led you to that spot? >> that's a great question. and what i really have to do is point out how this is a coordinated effort. we are in support under coordination right now from australian government for these assignments. so part of it is luck. if it's indeed was a signal, it would have been the luck of getting the assignment in the right search sector. so the u.s. navy does not control the search sectors. we're kind of underneath this umbrella by the australian

government. so that's probably a question better for them but either way, even the furthest point kind of in this region is only a couple hundred miles away. certainly too big to find anything but definitely narrowing it down from where it started. >> one quick question before i let you go, commander. the chinese signal that was detected, how seriously are you taking that? >> well, you know, at that point when they did make those reports, that was the only thing we had. so you kind of have to go with what you have at the moment. personally, i do trust the towed pi pinger locator and the blue fin once we get it in the water. this is pretty advanced equipment and these are the best people in the world, both active duty navy and navy civilian out there along with our australian partners. so i only can tell you on a personal level that i'm pretty confident in our equipment but,

once again, until we reacquire this, really no one has -- no one is any better off than they were a few days ago. so it's all a matter of reacquiring it and that's where we are now. >> let's say, commander, you find those two black boxes. who gets custody of those black boxes to inspect them, to determine what's inside and to le learn from it? >> a great question. here at the seventh fleet level representing the u.s. navy, my focus is on finding it. don't forget, we're still flying p-8 missions and we're still searching for debris. we'll have to take it one day at a time and really at this point it's hour-by-hour. every hour counts. i can only focus on finding the signal, getting the sonar out there to paint us a picture of

what is on the ocean floor and, you know, i'll be happy at that point and we'll worry about where it goes after that. >> australia, the u.s., others may want access to it, though my own sense is that the ntsb should get access to it. they have the most experience in dealing with the flight data recorder and the cockpit and voice recorder. let's just wrap up. where do we go from here as far as the u.s. navy is concerned? what are you guys doing right now? how much longer are you going to stay in that area where you heard for two hours some pinging coming out for 15 minutes nearby a separate set of pinging? >> so we still have the p-8 as folks on the "ocean shield" it's

a very deliberate and slow thought-out process. it only moves a couple knots, which is nautical miles per hour. and just to give you some other perspectives, just to turn this thing around, you have to reel it in, which is a very slow process, turn the shift, try to get back to the course and then you have to get it to the right depth. and none of those actions on board the "ocean shield" are quick. they can't be recklessly done. they have to be very deliberate. so we're not talking about reacquiring this in a matter of a couple hours. it's days and if that's what it takes us, that's how long we will be out there to do it. right now we're focusing on both the flights and our team on board the "ocean shield," methodically listen and

deliberately listen and the next step is sticking with it until we think the black box isn't pinging anymore and then it's a matter of putting a scanner sonar in the water. >> thank you very much. you're obviously very helpful. good luck to everyone involved in this search. we'll check back with you tomorrow. coming up, details of the next step in the center of this operation. plus, mixed messages from the malaysian government. stay with us. you're in "the situation room."

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it may be the best lead yet for finding flight 370. searchers trying to verify the signals detected by a u.s. pinger locator in the indian ocean. they are scrambling to confirm whether the pings came from the plane's black boxes. brian todd is joining us. he's got details on what is going on. brian? >> we've heard the phrase cautious optimism and their next

steps are so crucial to making the most out of these detections. they've got to move fast to find those signals again and with the batteries in the black box pinger almost dead, they certainly don't have much time. it had a tough job from the get-go. no wreckage from the plane. searching in waters so rough and so deep. but the towed pinger locator has detected signals in the indian ocean consistent with pings from black boxes. >> this would be called miraculous. this has come down from hundreds and thousands of square kilometers. >> two separate signals have been detected. what happens next? officials say they have to reacquire those signals. that means the pinger locator has to make other passes, first at least three runs parallel to those it made when it first detected the signal. then, perpendicular runs so they can isolate the source and

triangulate its position. experts caution it's full of sonar sounds and there could be false positives. they say objects from fishing equipment to whales can emit sew n sonar signals. but the operators of the pinger locator are trained to listen and watch closely. >> with this graphic representation, the operate are tos will be so focused on this just listening and watching for this signal. >> if the pinger locator can zero in on a specific area, this underwater drone is deployed. it's called a blue fin 21. >> it's got the main electronic section, the battery section, the payload section and the nose cone. >> reporter: it scans the sea floor looking for the black box and debris using side scan sonar. the goal, to produce a map of the debris field like this one in the search for flight air france 447 in the atlantic.

it's also got a high-resolution camera. >> we can take a lot of images real quick flying at 3.5 knots and then stitch those pictures together in a photo mosaic or canvas of the whole area. >> reporter: underwater photos like this one of the once the autonomous underwater locator find the black box, another vehicle would recover it, remotely operated vehicles like with manipulator arms. here's video from phoenix international. this one operated, again, by phoenix international. this recovered the black box and all of the wreckage for air france flight 447 in the atlantic. it's not clear whether there are any rovs. phoenix international says it's not there and none of its rovs are there. it's not clear whether the australians have any of them

either. >> detect it and find it and find a way to bring it up to the surface and then inspect it. brian, thanks very much. let's dig deeper. right now joining us, richard quest and also joining us here, van gurley, along with sonar technology expert arnold carr. let's say that these pings are coming from the so-called black boxes. so walk us through exactly. if the batteries are dead, how long could it take potentially to find them? >> the good news is, wolf, they've got a much smaller area now. up until now we've been talking about tens and hundreds and thousands of square miles. if they are in fact on the area, we're now talking about 100 square miles, maybe 200 square miles. it's a much more problem to search through that. if in fact the pinger batteries dies and they are not able to reacquire the signal, what they would do is go through the blue fin 21 and search small patches

of ocean one at a time and work their way through it. but it's going to be very slow and methodical work. >> and presumably, arnold, if it's getting closer and closer to the relatively tiny black boxes, the wreckage presumably is not all that far away, right? >> exactly. the black boxes are in the tail of the aircraft and should be right near to the wreckage. >> and so there is equipment that would see that wreckage at some point if they were investigating a relatively small area? >> yes. side scan sonar is really adept at really picking up wreckage and you can with side scan sonar see tail, if the tail is somewhat intact, wings and other parts of the plane. and you can, to a degree, discriminate even if the plane has been really broken up. >> it sounds, richard, like this is the best hope that we've had over the past four-plus weeks. when the u.s. navy says they are cautiously optimistic, they are

not just making that up. >> oh, this is in a different league, wolf. from having no idea at all to then culminating together a theory based on some sort of unproven and untried science of satellites, refining it, changing the search area to the point where they have said we pretty much these are the pings all but dotting the i's and crossing the t's for verification, this is historical. the fact that they have managed to do this at the very edges of frontiers of the technology. so i would go -- i think last night angus houston was being suitably restrained but even he couldn't avoid using optimistic, very promising, best lead. and the facts themselves tell their own story, wolf. >> have you -- are you surprised, van, if in fact that pings were coming from these two

black boxes that they managed to locate this area without any wreckage discovered whatsoever? >> i guess the best analogy right now, since we are into march madness, this is the buzzer beater from half-court. this was a shot in the dark. they had some good idea of where they were at. it's not clear how "ocean shield" had been out there but this is an incredible great piece of luck. >> arnold, have you ever seen a situation where they have located the two black boxes before they spotted any wreckage? >> i never have. in fact, getting to black box pingers singing to you, presumably that's what they are doing, the pulse, is really strange. i'm used to really hearing one pinger going off and then you try to zero in on the two. there's one thing that really has to be done immediately right now and i believe the navy and

phoenix are doing it. they must really triangulate that area before the batteries get too weak and disappear. that's critical right now to really tightening up the area. >> arnold carr, thank you so much, van gurley, thank you. richard quest, we'll see you in a while. up next, new clues about the flight path but mixed messages from the malaysian government. new details coming into "the situation room." [ male announcer ] how can power consumption in china, impact wool exports from new zealand, textile production in spain, and the use of medical technology in the u.s.? at t. rowe price, we understand the connections of a complex, global economy. it's just one reason over 75% of our mutual funds beat their 10-year lipper average. t. rowe price. invest with confidence. request a prospectus or summary prospectus with investment information, risks, fees and expenses to read and consider carefully before investing.

mixed messages right now from the malaysian government of

the new details emerging about flight 370's potential flight path. joe johns is kuala lumpur. he's joining us with the very latest. joe? >> reporter: wolf, the latest information is important because it suggests someone in control of the plane skirted the indonesian coast in a way that would have avoided attracting attention, which raises all kinds of questions, which are very, very difficult to answer without knowing more about what happened to the plane. a malaysian government source tells cnn that new analysis of the plane's flight path suggests it flew a route designed to avoid radar detection, flying offcourse to avoid indonesian air space. asked by a journalist to confirm the report, malaysian's acting transport minister both denied and confirmed that radar had been avoided. >> it's untrue. i've got the chief of defense

for malaysia to contact and they have confirmed that they have no sighting of the plane. >> reporter: this is a sensitive issue here because the pilots are both malaysian and it raises more questions than it answers about what happened in the cockpit. peter chong, a friend of zaharie ahmad shah says they are in a tough position as they try to communicate about things that they don't yet know. >> authorities are walking a very tight rope and it's very much a balancing act of the reality and sensitivity and all of that will come if we find the black box or the wreckage. >> reporter: not surprising, then, that the acting transport minister who has become the face of his country during the search has ventured into mixed messaging, trying to strike a delicate balance saying one thing about evidence that everyone was lost -- >> the leads that we have received either from satellite images or from other sightings

did not indicate or show survivors. >> reporter: while still grasping at hope that someone may have survived an apparent crash at sea. >> i have always said, especially to the families, miracles do happen and we are still hoping against hope. we continue to hope and pray for survivors. >> reporter: here in kuala lumpur as they mark one month since flight 370 went missing, a candlelight vigil was held but it still showed how concern for the passengers, the crew, and their families cuts across all of the lines in malaysia. one thing authorities are stressing is that there's been a lot of confusing and sometimes contradictory information released. they say they are taking pain-staking steps to confirm information before they release it for the sake of the passengers' families. wolf? >> joe johns for the very latest with us, thank you.

just ahead, we're getting possible new leads emerging in the search for flight 370, but could they be more false alarms? we'll have details. that's coming up. mine was earned in korea in 1953. afghanistan, in 2009. orbiting the moon in 1971. [ male announcer ] once it's earned, usaa auto insurance is often handed down from generation to generation. because it offers a superior level of protection. and because usaa's commitment to serve current and former military members and their families is without equal. begin your legacy. get an auto insurance quote. usaa. we know what it means to serve. this is the car i fell in love with! picking up my new malibu. no way! in march, over 100,000 people visited our open house event and brought home a new chevy. nope that's me, alright. this month, it's your turn. my equinox new line-up, new showrooms and a new experience. come find your chevy today! right now, get this sign and drive lease

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we're going to get back to our special coverage of the malaysia airlines flight 37 0 in just a moment. there's another major breaking story we're watching right now. the growing unrest in ukraine, with violence now spilling over into the eastern part of the country. secretary of state john kerry is warning the russian foreign minister sergei lavrov the united states is watching the situation, quote, with great concern. our foreign affairs reporter is

standing by with the state department with details. what's the latest? >> secretary kerry took a firm life, tough conversation with russian foreign minister lavrov. t they believe the u.s. is behind the takeovers of government buildings in eastern ukraine. take a listen to state department spokesman. >> there are a few groups, individual, who went into these areas, pro-russian separatissep. there's evidence suggesting some more not paid and are local residents. >> reporter: wolf, u.s. doesn't know whether president putin is taking a play from what he did in crimea trying to use this as a bait to go over the border and protect russian-speaking citizens or trying to destabilize ukraine before the election. in any event, officials tell me it's a serious escalation. secretary kerry told foreign minister lavrov it needs to stop.

they want russia to disavow these type of actions. secretary kerry trying to get a meeting together of the ukrainian foreign minister and russian foreign minister, himself, in a couple weeks. additional sanctions on russia could be in the offing. u.s. preparing those right now because they think this cannot stand and don't want russia to go any further into eastern ukraine. they also know at the ukrainians need to step up here and make themselves a harder target, wolf. stronger the country they are, the less enthusiastic president putin might be about going in. >> getti intin intin inting hin tougher sanctions might include? >> you heard him say there could be tougher sanctions in the offing, could be sectoral sanctions, energy sanctions, financial sanctions. i don't think the u.s. is really ready to go that far, but they could have near-term measures, some additional individuals that could be listed on these executive orders, freezing of assets, that type of stuff. tougher measures in the offing if president putin goes further

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