The answer is that Attorney General Holder, himself an African American, ruled that no charges would be filed because Officer Wilson acted appropriately. The question didn't pertain to your political position, but rather to the misinformed state of many citizens, a great percentage of whom are correctly categorized as low-information voters. In fact, during the recent protests, many of those interviewed had no idea of the Holder ruling.
Thanks for participating in this survey, Sammy. Now if we could get gingy to chime in, it could get really entertaining!