the reason why there's $19 million unissued young people is cost. it more affordable like in massachusetts, the uninsured rate 20 from 27% to 5%. in california, a little under a quarter of the new enrollees in the exchange were young people, which is very promising. we have a lot of work to do, just to get the word out. this generation knows very little about how the law works, and while december 23 is an important deadline, we're looking to the end of march as the real deadline to get people signed up. >> that's when they might face the tax penalty. california is seeing early success. can that be replicated? >> we are seeing variation amongment states. there are 36 states that rely on the federal gough for healthcare.gov. all of these states doing their own exchanges, and some states have been very smart reaching out to young people, trying different techniques. that is starting to pay dividends. i think we're going to watch closely to see which states are winners and which are losers as this rolls out. hopefully, we can do everything we can to mak