SAN FRANCISCO An Islamic scholar from South Africa was denied entry into the United States, prompting questions from Bay Area Muslims who had invited him to participate in activities marking the end of the holy month of Ramadan. Fazlur Rahman Azmi was detained by officials from U.S. Customs and Border Protection when he arrived at San Francisco International Airport from London on Friday afternoon, according to the Council on American-Islamic Relations, a civil liberties group. Azmi, who made previous visits to the country as recently as April without problems, was questioned for hours before being denied entry and sent on...