The federal government's HeatlhCare.gov website was intended to be a backup for state-run health care exchanges. &nbsp;Not many states accepted the challenge to put up their own exchanges, and now, slowly but surely, those states are giving up on their own health insurance enrollment websites. &nbsp;How long will any state-run programs still exist? &nbsp;Maybe not for long. &nbsp;Read more: &nbsp;<a href="http://www.cnbc.com/id/101646874">www.cnbc.com/id/101646874</a>