Why exclude a Muslim voice?

"Two weeks ago I heard Condoleezza Rice say, 'We must expand dramatically our efforts to support and encourage the voices of moderation and tolerance and pluralism within the Muslim world.' Yet, such a person, Swiss Muslim scholar Tariq Ramadan, slated to teach at Notre Dame this fall, was denied entry to the United States by the Department of Homeland Security."

Diana Eck in the Boston Globe, 4 September