Temple historian Richard Immerman is featured in an episode of PBS's FRONTLINE, "Top Secret America." The episode investigates the covert world the government created in response to 9/11, as reported by the Washington Post's Dana Priest. "What happens after 9/11 is this tremendous ramping up," said Immerman. Immerman, who is the Marvin Wachman director of Temple's Center for the Study of Force and Diplomacy, has served as an assistant deputy director of national intelligence. Public Broadcasting System's FRONTLINE