Comment Re:Diminishing returns (Score 1) 478
... To exterminate everyone in a country you might need a bomb, but you might also use a genetically targeted bio weapon....
There was an episode of Babylon 5 about this subject. (http://www.midwinter.com/lurk/countries/us/guide/004.html) The bioweapon was programmed to kill anyone who was not "pure" and ended up killing everyone since no one matched its programmed standards.