"Don't talk to strangers" is the advice long given to children by parents of all classes and races. Today it has blossomed into a fundamental precept of civic education, reflecting interracial distrust, personal and political alienation, and a profound suspicion of others. In this powerful and eloquent essay, Danielle Allen, a 2002 MacArthur Fellow, takes this maxim back to Little Rock, rooting out the seeds of distrust to replace them with "a citizenship of political friendship."
Returning to the landmark "Brown v. Board of Education" decision of 1954 and to the famous photograph of...