ticking student debt is a crisis. Americans owe 1. 5 trillion. The burden for medical students is especially heavy. But now one of the countrys top schools has come up with a radical solution. The n. Y. U. School of medicine is now a tuition free medical school cheers and applause oh, my god saving these students more than 200,000 each with the hope that one day, if youre dealing with a patient who cant afford to have something done you might say its on me. ticking the giant waves appear off nazaree, portugal, every winter, just as they have for thousands of years. Few surfers knew about this place, until Garrett Mcnamara was towed into this 78foot wave by a jet ski. He had a camera mounted on his surfboard, and one on the shore, recording him as he got into place, let go of the tow rope, and began his recordsetting ride. ticking im steve kroft. Im lesley stahl. Im scott pelley. Im anderson cooper. Im bill whitaker. 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Ah, it ended to soon. With the advantage fleaction plan. Just look at him hes a wreck without me, ha. Owww. Fight the misery of infesting fleas. Depend® fitflex underwear for all day fun. Features maximum absorbency, ultra soft fabric and new beautiful designs for your best comfort and protection guaranteed. Lifes better when youre in it. Be there with depend®. Pelley in 2016 and 17, 25 americans, including c. I. A. Agents, who worked in the u. S. Embassy in cuba suffered serious brain injuries, causing impaired vision and memory loss, among other persistent problems. Now, we have learned that at least 15 american officials in china suffered unexplained brain trauma soon after. As we first reported in march, the f. B. I. Is now investigating whether these americans were attacked by a mysterious weapon that leaves no trace. Over many months, we have been collecting evidence of what appears to be a hostile foreign governments plan to target americans serving abroad and their families. Mark lenzi for me, it was november of 2017, when i started to feel lightheaded a lot. I was getting more headaches. My wife was getting headaches, too. Pelley mark lenzi is a state Department Security officer who worked in the u. S. Consulate in guangzhou, china. He says that he and his wife began to suffer after hearing strange sounds in their apartment. Lenzi picture holding a marble. Then, picture if you had, like, a sixfoot in diameter funnel, metal funnel. The sound that marble would make as it goes around, and it progressively gets faster as it gets, goes down towards the hole at the end. Its a sound like ive never heard before. Pelley was this subtle . Like, did i hear that . Lenzi no. It was it was actually somewhat loud. I heard it about three or four times, always in the same spot. Always over my sons crib, and always right before we would go to bed. Pelley lenzi wears prescribed glasses because sensitivity to light is among his persistent symptoms. Lenzi the symptoms were progressively getting worse with me. My headaches were getting worse. The most concerning symptom for me was memory loss, especially shortterm memory loss. Pelley mark lenzi believes he was targeted because of his work. He uses top secret equipment to analyze electronic threats to diplomatic missions. Lenzi there is no shadow of a doubt in my mind that this was a directed attack against my neighbor and i. Pelley his neighbor was Catherine Werner, who lived one floor up. Shes a u. S. Commerce department trade officer who promoted American Business from the guangzhou consulate. Catherine werner i woke up in the middle of the night, and i could feel this sound in my head. It was intense pressure on both of my temples. At the same time, i heard this low humming sound, and it was oscillating. And i remember looking around for where this sound was coming from, because it was painful. Pelley when did you first notice that you werent feeling well . Werner october of 2017, i started to get hives all over my body. Really bad hives. I woke up with headaches every day. I started to feel tired. The simplest things would just make me very, very tired. Pelley were these symptoms growing worse over time . Werner they were, yes. My symptoms would get so bad that i would throw up, or i would wake up with nose bleeds. Pelley she says even her dogs were throwing up blood. Werner assumed her illness was connected to chinas toxic smog. She didnt know it at the time, but her symptoms were the same that american officials in havana had suffered since 2016. The u. S. Embassy there is all but closed as a result. Werner we hadnt heard about what happened in cuba. I mean, there were headlines in the news about hearing loss, and attacks to our diplomats, but we didnt know the details. Pelley Catherine Werner became so ill, her mother traveled from the u. S. To live with her. Werner she spent almost three months with me. During that time, she also got very ill. And she and i shared the same symptoms. Pelley what sort of symptoms did your mother have . Werner headaches. And ringing in our ears. We also started to both have difficulty recalling words. Pelley after reporting her experiences, werner was medically evacuated to the u. S. For treatment. U. S. Agencies are investigating, but mark lenzi has a theory. Lenzi this was a directed standoff attack against my apartment. Pelley it was a weapon . Lenzi oh, of course it was a weapon. Pelley an Energy Weapon . Lenzi absolutely. Pelley what sort of energy is this that were talking about . Lenzi i believe its r. F. , radio frequency energy, in the microwave range. Pelley a clue that supports that theory was revealed by the National Security agency in 2014. This n. S. A. Statement describes such a weapon as a highpowered microwave system weapon that may have the ability to weaken, intimidate, or kill an enemy over time without leaving evidence. The statement goes on to say, this weapon is designed to bathe a targets living quarters in microwaves. The n. S. A. Disclosed this in a Workers Compensation case, filed by former n. S. A. Employee mike beck. Pelley when you look back across your career, is there any incident that leads you to believe that it could be responsible for your parkinsons disease . Mike beck yes. Pelley in the 1990s, beck and an n. S. A. Coworker were on assignment overseas. Years later, he says, they developed parkinsons disease at the same time. Beck in 1996, a colleague of mine, chuck gubete, and i traveled to a hostile country and worked there for about a week. And i cant say where the hostile country the identity of it. Pelley because its still classified . Beck yes. Pelley but it was not cuba or china. You believe that you and chuck gubete were attacked with this microwave weapon . Beck yes. I had a pretty good working knowledge of the hostile countrys intelligence services, what they do to people, what they have done, what their modus operandi is. Pelley mike beck says more intelligence has come in recently, which he shared in a classified briefing with congressional investigators. Pelley mike, you cant discuss any of these details because theyre all classified. But, in your opinion, does the new information that you briefed the house and Senate IntelligenceCommittee Staff on in any way relate to what happened in cuba and china . Beck its relevant to the cuba and china cases. Pelley no one has officially confirmed that what beck says happened to him is related to at least 40 americans injured in china and cuba. While beck suffers from parkinsons, the recent patients are being treated for the same kind of symptoms that doctors would expect from a concussion. Dr. Teena shetty so follow my fingers. Pelley dr. Teena shetty is mark lenzis neurologist. Shetty so mark initially came to me reporting symptoms of headache, memory loss, sleep difficulties, emotionality, and irritability. Pelley and what did you make of that in the early days . Shetty i was very surprised. He did not have any history of any trauma or blow to his head, but he reported a constellation of neurologic symptoms which are characteristic of mild traumatic brain injury, without any history of associated head trauma. Lenzi i still notice it, but that has improved. Pelley exactly how their brains were injured is the subject of a study at the university of Pennsylvania Center for brain injury and repair. Shetty still slightly wobbly. Pelley dr. Shetty is not part of that study. Shetty and align your knees for me. Pelley . But her patient, mark lenzi, is. Shetty the presumption is that something happened which caused a functional brain injury of widespread brain networks, because he has symptoms to reflect a multitude of brain networks. Pelley what doctor shetty describes mirrors the findings published so far by the university of pennsylvania study. Robyn garfield they have said that our symptoms are exactly what they saw in cuba, and that we have the full suite of findings that they had there. Pelley robyn and Britta Garfield are among the 40 Patients Enrolled in the university of pennsylvania study. Like Catherine Werner, Robyn Garfield is a trade officer with the commerce department. He was posted with his wife and two Young Children in shanghai. Robyn garfield i dont know when the sound started. I do know that it was for months on end. Britta garfield i was sitting next to robyn, and something, i felt like, hit me from the left side. And at first it felt like an electric shock, and then it paralyzed me, so i was not able to move or speak. Pelley it hit you so hard you felt like you were in danger in the room . Britta garfield yes. Pelley they say the children suffered blurred vision and loss of balance. Your daughter was literally falling down . Robyn garfield yes. She fell down multiple times that day. Britta garfield we went on a walk and she just fell on her face. It was very abnormal. She never does that. And then a second time, she completely lost her balance and just fell to the side. Pelley in 2018, the secretary of state Mike Pompeo Confirmed the case of Catherine Werner. U. Penn found her brain injuries matched the cuba victims. Mike pompeo we had an incident in guangzhou that the medical indications are very similar and entirely consistent with the medical indications that have taken place to americans working in cuba. Pelley but for reasons that are unclear, the state department is raising doubt about the other 14 china cases. The state departments medical office sent mark lenzi this note, that says we have reached the decision that your symptoms and findings do not correlate with the havana cohort. Lenzi they tried to deny it. They tried to cover it up. They tried to minimize it. Pelley why would the state department minimize this . Lenzi because its china. Because we have such a large trade relationship with them. You can push around cuba. Their trade, you know, relations are minimal. With china, thats a different beast, right . Pelley state department doctors told Robyn Garfield his illness stems from a baseball injury 17 years ago which does not explain his wife and children. Robyn garfield it is a very complicated geopolitical relationship between the u. S. And china. So that to me feels like why this determinations being made. Your benefits today that the for state department is refusing to call this an attack . Robyn garfield it has Significant Impact on our, our life, our finances. My career as well, likely. I have not been afforded time for my rehabilitation. Being classified as preexisting injury means that i dont have access to paid leave. It also means that after one year, my medical bills will not be covered currently. Pelley the china patients have the attention of at least one member of the Senate Foreign relations committee. Jeanne shaheen wrote secretary pompeo, the group from china is increasingly feeling isolated and left behind by the state department. The state department declined an interview, but in a statement to 60 minutes, it said, we will continue to provide our colleagues the care they need, regardless of their diagnosis or the location of their medical evacuation. A state Department Official told us that the cuba patients are victims of an attack, but state hasnt made the same determination for the china patients. The department has asked the National Academies of science to assist in the medical investigation. The f. B. I. Is also investigating. Intelligence sources told us that in addition to cuba and china, russia is a suspect. But if microwaves were used, the technology is not rare. It could be, more than one country is using it. U. S. Intelligence is still debating what caused the injuries. You were in harms way and you didnt know it. Werner exactly. I didnt know it. And im afraid that others may be in harms way and may not know it. I dont know what the future looks like for me, but i would do anything in my power to prevent this from happening to somebody else serving their country. Pelley in july, the medical team from the university of pennsylvania published a second study about the victims from cuba. Using advanced brain imaging, they were able to present the first Scientific Evidence that the diplomats did in fact have physical damage to the structure of their brains. ticking how do you report on the invisible . Were there moments where you had doubts about what you were hearing . Yeah, i mean, frankly. Go to 60minutesovertime. Com sponsored by colaguard. Cologuard colon Cancer Screening for people 50 and older at average risk. Ive heard a lot of excuses to avoid screening for colon cancer. Im not worried. 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Search and share for free at ancestry. Com. Apple card is here. And here. Its a new kind of credit card. Created by apple, not a bank. With a better way to track where you spend. Daily cash you get back every day. And a new level of privacy and security. Nice. Stahl going to medical school today takes more than ambition, good grades in biology in college, and an appetite for hard work. It takes a willingness to incur a crushing amount of debt. Student debt in general is in crisis in this country. All told, borrowers owe 1. 5 trillion more than people owe in Credit Card Debt or on car loans. People have borrowed money to attend medical school for decades, but the scale of the debt has skyrocketed in recent years, along with just about every other cost in health care. The average medical student now graduates with a debt burden as big as a home mortgage. As we first reported in april, one of americas top medical schools, n. Y. U. In new york, has come up with a radical solution. Announcer joseph babinski. Stahl its a tradition on the very first day of medical school. The socalled white coat ceremony a rite of passage for 24yearold joe babinski and his 100 classmates at new york university. Joe babinski its kind of this transition point, where you go from being a potential student, to a member of the medical community, even if youre at the bottom rung of the ladder still. Stahl yeah. Babinski and its its a pretty significant experience. It marks the beginning of your journey, so to say. Stahl as he began that journey, joe was expecting to take on a great burden. How much debt did you expect youd be taking on . Babinski i anticipated taking on about 200,000. Stahl i cant imagine starting life with that on your shoulders. But a lot of medical students, a lot of you