. >> we continue by looking at theranos with john carreyrou and michael siconolfi of the the wage wawj. >> she came out of stanford with this vision of trying to revolutionize medicine with blood testing that would be done on very small samples of blood, either priked from the arm, at first prked from the arm then priked from the finger and the test would be done quickly, off just this painless pin prik, and then you would be able to diagnose a bunch of conditions from that. and that was pretty transform tiff, if it was achievable, if the company could do it, it really meant big changes in medicine and in the laboratory testing industry. so the vision was a powerful one that a lot of people bought into. but again, the people who invested early knew they were facing a young lady who had just graduated and who might fail as most entrepreneurs in silicon valley failed. >> we conclude with amy adams. she spoke to a.o. scott at the "new york times" about her two new films, arrival and nocturnal animals. >> i'm definitely hard on myself and work really hard but i'm so much more relaxed than