According to a new nationwide online survey (Below) of 600 Muslims living in the United States, significant minorities embrace supremacist notions that could pose a threat to America’s security and its constitutional form of government. The numbers of potential jihadists among the majority of Muslims who appear not to be sympathetic to such notions raise a number of public policy choices that warrant careful consideration and urgent debate, including: the necessity for enhanced surveillance of Muslim communities; refugee resettlement, asylum and other immigration programs that are swelling their numbers and density; and the viability of so-called “countering violent extremism†initiatives...