Columbine has nothing directly to do with the DNA-fueled controversy that led to the suspension of the death penalty in Illinois, the racial furor over the shooting of unarmed blacks in New York or the latest carnage on Buckhead's nightclub scene. For that matter, last July's crazed shootings at two Atlanta day trading offices might have happened anyway, despite the quality of contagion that was captured in the bloodiest fashion at Columbine.