A leading school shootings researcher says he was wrong
Scientists rarely announce that one of their long-held ideas has failed. But that is exactly what Ron Avi Astor, one of the nation’s leading scholars of school violence and a professor at the University of California, Los Angeles, said before fellow researchers at the annual meeting in April

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Scientists rarely announce that one of their long-held ideas has failed. But that is exactly what Ron Avi Astor, one of the nation’s leading scholars of school violence and a professor at the University of California, Los Angeles, said before fellow researchers at the annual meeting in April </p>