FRINGE SCIENCE meets harsh reality: Dr. Amy Bishop, the accused killer of three colleagues in the biology department at the University of Alabama-Huntsville, was working on a neural computer, blending human cells with a computer processor into what appears to be the first step toward a living artificial intelligence. Also: Carbon currency and prophecy; Joe Stack, patriot or coward; the manipulation of the Tea Party movement); and Bruce Ivins, official patsy of the 9/11 anthrax attacks.