The Barack Obama administration has decided to lift a ban preventing Muslim Scholar Professor Tariq Ramadan from entering the United States. Ramadan, an Egyptian currently living in Switzerland, is a leading member of Europe’s Muslim Brotherhood branch and the grandson of the movement’s founder Hassan al-Banna. The Muslim Brotherhood is the parent organization for Hamas and some of the groups that recently merged into al-Qaeda, including Ayman al Zawahiri’s Egyptian Islamic Jihad. Ramadan was invited to teach at the University of Notre Dame in 2004 but the George W. Bush administration revoked his visa, citing a statute that applies to...