One expert sees a darker motive driving some post-election gun purchasers.
“Why are white people buying assault weapons?” said Ben Agger, a sociology professor at the University of Texas at Arlington who wrote a book about the Virginia Tech slayings. “I almost hate to say it, but there is a deep-seated fear of the armed black man, because Obama now commands the military and other instruments of the justice system. They are afraid Obama will exact retribution for the very deep-seated legacy of slavery.”