One response is gather data, and sound a warning, as scientists have done, starting well before 1988. A second is to analyze what a cure would involve, but not administer it. Each of these is a necessary step, but a third set of responses is crucial.
Politicians will act only if a strong social consensus makes it risky to delay any longer. The question is, how to create that consensus without government action that will at best only follow such a consensus.
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