I think a turning point in American history occurred on Sept. 16, 2001, when then Vice President Dick Cheney said, “We also have to work, though, sort of the dark side, if you will. We’ve got to spend time in the shadows in the intelligence world. A lot of what needs to be done here will have to be done quietly, without any discussion, using sources and methods that are available to our intelligence agencies, if we’re going to be successful. ...