Cities Should Take the Lead in Fighting Extremism in America

As former mayors who served our cities during violent extremist attacks — Pittsburgh during the Tree of Life synagogue massacre in 2018, and Charlottesville during the white nationalist Unite the Right rally in 2017 — we welcome last week’s White House United We Stand Summit, where President Joe Biden sought to “counter the corrosive effects of hate-fueled violence on our democracy and public safety.”

We hope that this can break through the barriers standing in the way of bipartisan federal action and are encouraged by the new initiatives the White House announced at the...