. >> dale smith holds a phd in history of medicine.e's chairman of the medical history department in bethesda, maryland. he knows battlefield medicine from a to z. if a soldier was wounded in the revolutionary war, what kind of medical treatment is available to him if he had a ball from a british musket in him? >> what you freely got is rough and ready exploration, crude amputations, a lot of what we would say were infections. they, of course, had no germ theory. >> few doctors had anatomical training. leeches were used to bleed the patient to health. >> it's not really a crazy idea. there are well designed beast but they would have reduced the pressure reducing the fluid and the pus would not hurt as much. >> leeches didn't save lives or prevent infection. 4 out of 10 patients died. >> three times as many people die of infectious disease as enemy action in the war. more physicians died of disease in the revolution than line officers killed in battle. being sick was a bad thing. even for the doctor. >> one of the biggest killers was sm

. >> a sunday sitdown with dale earnhardt jr. plus harry smith sits down with a gold star family a bit later in the show. let's begin this morning with more on the investigation into that dead liam bush in niger. this morning, conflicting reports about what those troops were doing in the area where they were ambushed as one of them lass wade to rest on saturday. hans nichols h hans, good morning. >> good morning, willie. as the families continue to mourn, congress is preparing to ask them hard questions next week not only about this specific mission but about the overall strategy that's putting american troops lives at risk in africa. >> army sargeant la david johnson was laid to rest saturday near his home in florida. his pregnant widow kissing his casket as she held an american

smith. warm, witht's very light wind that isn't helping matters. while you were sleeping the latest is that fog has set in. temperatures in the 70's, look at those locations, daleity, remington, culpeper, all with fairly thick fog this morning. of it overite a bit in western maryland under half of a mile of disability. once the fog burns off, a little bit of sunshine. 82 to 83 degrees. marlboro towards annapolis, a very warm day for us, but a cooldown is underway, more rain for tomorrow. i will take you hour-by-hour to look at tomorrow in about 10 minutes. julie? tieups from the pentagon before you reach the gw parkway exit, crash involving the tractor-trailer in the far right lane. the center of the road at chantilly is what's blocked at this point with delays building. eastbound seven before the dulles toll road and the wreck and the farmer left lane. off a twin tocked hundred 36 and john moore drive until further notice. you will find that we have delays northbound, cleanup from an earlier truck fire. that is our traffic watch. i'm back in the next 10 minutes. trouble in crownsville? i will let you know where. change in the timeline of events leading up to t