WASHINGTON (CNS) -- A Muslim scholar whose visa to teach at the University of Notre Dame was revoked shortly before the start of the school year has roused the support of Christians and Muslims who say he would add a valuable voice to religious understanding. Tariq Ramadan, a Swiss Islamic theologian, was to have started work at the Catholic university in Indiana in August. In February, he was issued an H-1B visa, a category reserved for professionals. In late July, after his family had already shipped their belongings to Indiana, the State Department revoked the visa and told Ramadan he...