The encouraging view is that the overwhelming number of visitors to the site indicates high demand for insurance in the new system. That's critical, because the more people who participate, the better the system works. The danger is that the technical foibles since Oct. 1 will discourage people from coming back, particularly the young and healthy customers the system needs to keep rates reasonable. With some big deadlines approaching, the Obama administration needs to fix the bugs, and fast. People who need insurance from the federal marketplace have until mid-December to buy coverage that begins Jan. 1. If enrollment figures aren't robust by then, the new health-care system will have a problem even bigger than a frustrating Web (10/11).