Former Homeland Security Secretary Michael Chertoff (L) speaks during a discussion panel on 'tactical communications and interoperability among fire fighters, law enforcement, public officials, and other public safety/first responders from the period prior to 9/11 attacks, progress made since then, and what the future holds' at the Press Club in Washington, DC, September 3, 2009. Getty Images logo Getty Images 2 months ago

Former Homeland Security Secretary Michael Chertoff (L) speaks during a discussion panel on 'tactical communications and interoperability among fire fighters, law enforcement, public officials, and other public safety/first responders from the period prior to 9/11 attacks, progress made since then, and what the future holds' at the Press Club in Washington, DC, September 3, 2009.