[Found in a dumpster behind the Encino Galleria: first draft of historian David Bell's gripping L.A. Times OpEd] by David A. Bell IMAGINE THAT on 9/11, six hours after the assault on the twin towers and the Pentagon, terrorists had carried out a second wave of attacks on the United States, taking an additional 3,000 lives. Imagine that six hours after that, there had been yet another wave. Now imagine that the attacks had continued, every six hours, for another four years, until nearly 20 million Americans were dead. Okay, I know we’re talking a fantasy here, but just roll...