U.S. Secretary of State Hillary Clinton has lifted the visa ban on the European theoretician of radical Islam and virtuoso Jew-baiter, Tariq Ramadan, allowing him to take up a position similar to that he was offered at Notre Dame University, but which was filled because of his unavailability. At the same time, a U.S. entry prohibition against a South African leftist, Adam Habib of Johannesburg University, was voided. The decision to admit Tariq Ramadan is profoundly wrong. Adam Habib is an innocuous figure. Tariq Ramadan is not. Ramadan was first barred from the U.S. in 2004 ... the denial of...