Yahoo! News - The tiresome second best: "It's a lot easier to prescribe another dose of free-market medicine than to deal with the intricacies of the second best. Which brings us back to vaccines and airlines. Clearly, neither market is working well now. But the right policy choices will take hard thinking. How many competitors do we want in each field? How much will we pay for broad availability and a high degree of safety? Who should foot the bill? Unfortunately, the demonstrated ability of Washington policymakers to deal with this tough sort of question is all too often, well, second best, at best."