Nearly 80 percent of Jewish students have hidden their religious identity on university campuses worldwide, according to an Anti-Defamation League (ADL) survey published Tuesday. Seventy-eight percent of the Jewish students surveyed said they felt "the need to hide [their] Jewish identity from others at [their] university" at least once in the last year. Another 81 percent said they kept their Zionist identity secret on at least one occasion. ADL senior vice president of international affairs