"Or do we use the Obama standard (ever heard our historic POTUS called a 'black white?' no you have not), in which case I guess Zimmerman is just… black."
This overeagerness to impose a racial template onto an incompletely understood news story... it can get you into trouble. It is itself racial stereotyping, and restraint is the better course of action.
Ironically, anti-Zimmermania featured attacks on him for (suppposedly) shooting impulsively because of race, but the attacks on him were themselves shooting impulsively because of race.