Stewart Baker practices law at Steptoe & Johnson, covering homeland security, cybersecurity, data protection, encryption, lawful intercepts, intelligence and law enforcement issues, and foreign investment regulation. He is the author of Skating on Stilts – Why We Aren't Stopping Tomorrow's Terrorism, a book on the security challenges posed by technology, and he writes on cybersecurity and privacy law at www.skatingonstilts.com. From 2005 to 2009, Baker was the first assistant secretary for policy at the Department of Homeland Security. During 2004 and 2005, Baker served as general counsel of the WMD Commission investigating intelligence failures prior to the Iraq war. From 1992 to 1994, he was general counsel of the National Security Agency, where he led NSA and interagency efforts to reform commercial encryption and computer security law and policy. His book on these topics, The Limits of Trust: Cryptography, Governments, and Electronic Commerce, analyzes encryption and authentication laws in dozens of countries.