increased risk of breast cancer. now, you might recall jolie revealed that she had undergone a double masectomy because the mutation put her at higher risk of the disease. today the high court ruled that human genes cannot be patented. i want to bring in jeffrey toobin to talk about that angle and the chief medical correspondent dr. sanjay gupta. jeff, i want to start with you first here. this particularly involves a case with a company that identified the brak a1 brca 2 jean mutation. what did the court decide. >> what the court said unanimously in an opinion written by just clarence thomas, they had, look, this brac gene is part of the body and like an elbow and you can't patent something that everybody has and occurs naturally in the world.