Long lines at public flu clinics -- initially intended to primarily serve the uninsured -- are now commonplace nationwide as doses of the vaccine remain scarce. Many clinics report seeing large numbers of people who have insurance but have been unable to get H1N1 vaccines from private doctors, who say they have either already run out or have yet to get any. The line at the Glendale clinic, the first to be held in that city since Los Angeles County received doses late last month, was the longest yet, county Department of Public Health officials said. And the stakes were...