This piece first appeared on Educating Modern Learners [http://modernlearners.com/on-social-media-silence-and-things-that-matter/]. -------------------------------------------------------------------------------- I want to talk about Ferguson [http://www.washingtonpost.com/opinions/dana-milbank-ferguson-tragedy-becoming-a-farce/2014/09/12/e52226ca-3a82-11e4-9c9f-ebb47272e40e_story.html] . We need