The tragic, infuriating murder of Marvel Johnson

Kansas City begins the new year with another outrageous waste of a human life. You can read about it [here.](http://www.kansascity.com/2013/01/02/3991944/simple-question-prompts-fatal.html) Why on earth would one young man shoot another in apparent response to an innocent question? Who is this person walking around with a gun? Where did the gun come ...