>> a bigger problem remains the lack of young, healthy people signing up for the exchanges. they are needed to help pay for the older, less healthy people. those with preexisting conditions who could no longer be turned away by insurers, their accentance into these exchanges means that costs necessarily go up for insurers. sur facials find -- a surveys find they were between the ages of 18 and 34. the centers for medicare services believes the numbers are getting good and getting better. 234 a statement they told the watt street journal, quote, we are in the middle of a sustained 6-month open enrollment period and saw strong interest across the range of demographics so far. people have until the end of march to sign up for the plan so there remains plenty of time left. greg? >> doug doug mckelway, thanks. >> thank you, doug. for more wea columnist for the washington times.