Nathan C Walker Nathan C. Walker is the executive director of the Religious Freedom Center of the Newseum Institute in Washington, D.C., where he teaches about the guiding principles of the First Amendment that enable Americans to negotiate religious and hilosophical differences in the public square with civility and respect. A Unitarian Universalist minister, he spent 15 years serving congregations in Boston and New York and, for the last 7 of those years, Philadelphia, where he was the senior minister and executive director of the First Unitarian Church. Read More Read Less