Dr. Andrew Bostom, author of a comprehensive history of the legacy of Muslim anti-Semitism, decided to look deeper into an ADL survey of anti-Semitism.
WATCH: ADL downplays Muslim anti-Semitism in report
A group organized by a Muslim leader protests cartoons published by a Danish newspaper, outside the Danish consulate in New York, Friday, Feb. 17, 2006. (AP Photo/Dima Gavrysh)