i mean, unclear, really, how much this would necessarily add to overall keytruda.in hundreds of combination studies here there may be some concerns just over the safety, until we understand what drove the reports and, really, it may not be anything having to do with the drug we'll wait for more information, but certainly never good news to hear that about a study. >> of course a 1% decline in the stock. not huge, thank you. >> thank you >>> time now for a cnbc news update back to sue. sue? >> this is what's happening at this hour, everyone. the defense delivering its closing arguments in the bill cosby sexual assault trial cosby's lawyer told jurors that constant's story a new study shows 2 billion adults and children around the world are overweight or obese and suffer health problems because of it equating to one-third of the world's population the u.s. has the greatest percentage of obese children and young adults at 13%. not a good statistic kelly, back to you >> wondering, sue, back to the pour ball, if they get a million bucks, is that an income tax or sales t