trayvon martin ended debt of five police officers who died defending protesters. race relations and many of america's communities is threadbare. >> i'm here to insist we are not as divided as to be seen, and i know that because i know america. i know how far we have come against impossible odds paid >> incidents involving race have ho shape and ignite the conversation, and not just the controversial variety, like his now infamous beer cement between henry gates and the police officer who arrested him. >> the cambridge police acted stupidly in arresting somebody in there was already proof that they were in their own home. >> president trump accused of being tone-deaf after those comments. >> the fact that you see people of a variety of races speaking