Here’s your chance to gain historical perspective on nine major events when the nation felt threatened by those within its borders. A new exhibit at the Chicago History Museum, Spies, Traitors, and Saboteurs: Fear and Freedom in America, covers spies from the War of 1812 to present day, with a focus on events of the 20th century like Pearl Harbor, the “days of rage” during the Vietnam War and civil rights era, and the Oklahoma City Bombing. Ending with the terrorist attacks of September 11, 2001; Spies, Traitors, and Saboteurs invites each of us to consider how to strike the right balance between security and freedom in the 21st century.