. >> from there i want to go on to talk about brusilosis. i'm not a veterinarian, but i've looked a lot at the economic impacts of these diseases. last friday i was sitting in a round robin when we began speaking to the table of people next to us brian and marcia who own and operate a family run cattle ranch were visiting washington, d.c., from montana to meet with their congressman about the problems they're facing. while brucilosis is an exotic disease, one can infect animals and spread to humans there concern is about domesticated livestock and wildlife in and around their farm. as it happens, it was a weaponized agent the u.s. had as part of its stockpile as well as the u.s. perceived some other countries had as well. in the words of these ranchers they said the disease has been previously controlled and eradicated in cattle and humans a reservoir remains in wild bison. in yellowstone park and has spread to wild elk herds of montana. they begun spreading the disease into cattle in the state. the consequence of this is that there's been r