Summary: Truthdig’s James Harris and Josh Scheer speak with Harry Helms, author of “Top Secret Tourism: Your Travel Guide to Germ Warfare Laboratories, Clandestine Aircraft Bases and Other Places in the United States You’re Not Supposed to Know About,” which his critics have called a handbook for terrorists. Helms explains why his work doesn’t threaten national security and what it’s like to visit some of the most secret sites in America.
