HOUSE ENERGY AND COMMERCE COMMITTEE Computer Security Oversight and Investigations Subcommittee hearing on "Protecting America's Critical Infrastructure: How Secure are Government Computer Systems?" Witnesses: Ron Dick, director, FBIs' National Infrastructure Protection Center; Sallie McDonald, assistant commissioner, Office of Information Assurance and Critical Infrastructure Protection, GSA; John Tritak, director, Critical Infrastructure Assurance Office at Commerce Department; Robert Dacey, director, Information Security Issues at GAO; Tom Noonan, president and CEO, Internet Security Systems, Inc.; Glenn Podonsky, director, Office of Independent Oversight and Performance Assurance, Energy Department Location: 2322 Rayburn House Office Building. 9:30 a.m. Contact: 202-225-2927 http://www.house.gov/commerce