On Nov. 25th, a grand jury in Ferguson voted not to indict a white police officer, Darren Wilson, in the shooting of an unarmed teenager, Michael Brown, last August in a case that has stirred civil unrest and accusations of racism by white law enforcement officials. The next day, Steve Singer, a teacher in suburban Pittsburgh went to school and realized that he could not carry on as usual but that he had to address what was transpiring in Missouri. This is his account of what happened that day. Singer is a husband, father, blogger and education advocate who teaches...