When officials announced the successful prevention of a plot in New York to bomb synagogues and down airplanes with rocket-propelled grenades, many reacted with shock at the prospect of locally radicalized violent extremists plotting attacks here at home. Indeed, policymakers, long focused on the radicalization problem facing our European allies, were slow to realize that domestic radicalization and terrorist recruitment is a problem here in the United States as well. While short of the acute radicalization and recruitment crisis facing many European countries, recent events from Minneapolis to Atlanta suggest the United States is not immune from similar phenomena on our side of the Atlantic. . . .
