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>> you've never used your own blood for doping purposes, for example? >> absolutely -- that would be banned. >> okay. i'm not trying to agitate you. i'm just trying to make sure your testimony is clear. >> okay. >> all right. >> the whole point of blood doping is to increase the number of red cells in your circulation. the blood transfusions have the advantage of not being detectable. even today we don't have a foolproof method of establishing when an athlete has reinfused their own blood. >> so does that mean that athletes now and cyclists now are transfusing their own blood back into themsel...

Good question and a very useful question. i don't think actually that's the -- our chief problem here. but just let's talk about two of those cuts. we know that over the last decade, we have actually been paying the medicare advantage plans at least 14% too much given the population that they have enrolled. so $165 billion of those savings directly out of the medicare advantage plans. and then there are other things. as lab tests have gotten automated and you don't have a person looking in the microscope and counting the number of red cells and things and a machine does it, we've actually neve...

cnn pentagon correspondent barbara starr spent time with a group of doctors, medics, nurses and medical teches who are all themselves now getting ready to deploy. for these men and women heading off to war, a big city hospital like the one where i work, can be a perfect training ground. >> reporter: dr. john renshaw stops to check on one of his patients. he suffered massive injuries at his job when he was caught in a conveyer belt. his cousin translates into their native haiti. renshaw is an oncologist. he treats cancer. why is he here? dr. john renshaw is major john renshaw, united ...

it has left a mark. in many ways, the strong connection between the battlefield and medical care at home. i work at a level one trauma center at grady hospital. some of the techniques that we use, for example, cutting out part of the skull to relieve pressure on the brain was developed in the military. in the last decade out of necessity. it is not a one-way connection. we have barbara starr who spent time with a group of doctors and medical technicians who are all getting ready to deploy. for these men and women, heading off to war, a big city hospital like the one where i work, can...

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