In March, Richard Spencer, a prominent white supremacist, canceled his speaking engagements at U.S. universities, saying he was deterred by “antifa,” a loose international network of radical anti-fascist groups that aims to shut down far-right talks and rallies. For antifa members and supporters, Spencer’s capitulation was both vindication of their aggressive tactics and a sign of their…

The rise of far-right extremism on the shadowy corners of the internet is a legitimate concern for those who value tolerance, peace and progress. Now a new study from the ADL’s Center for Extremism reports that radical white nationalist organizations are not content simply to congregate online; increasingly, they are spewing their hatred in traditional, highly visible public…