valent c.e.o. said the company is cooperating with the investigation, and the company declined our request for an interview. in a letter to the sirnt mccaskill. he was written: even though patients may not feel an immediate impact of price hikes on drugs used in hospitals. there's a ripple effect through higher insurance costs and ultimately tax players through medicare and medicaid. >> all this does is enrich the executives at the companies, and raise the cost of health care for everyone. >> mary snow joins me now. first of all, let's go back to touring pharmaceuticals, which got the headlines to start with. hillary clinton said they haven't lowered their prices. where does it stand. >> right, when the media scrit ni was on. the c.e.o. said they'll roll back the prices. clear. >> let's talk about valiant. it's a bit of a convoluted explanation. have they said anything more? >> senator mccaskill said she is not satisfied with the answers, calling them inadequate. and made a point saying valiant pha