Think the mud wrestling over stem cells is ugly in Washington? Wait till you get to the states. Stem-cell proponents consoled themselves after President Bush's veto with the hope that friendly state governments would pick up the funding slack, and indeed California's and five others' (see box) are trying to do just that. But the Golden State's initiative--widely seen as the one with the most promise--is proving that stem-cell politics outside the Beltway is no less nasty than inside.
Bush had no sooner given the congressional action the thumbs-down than Governor Arnold Schwarzenegger, left, stepped forward and pledged a $150 million...