In the wake of a series of black men's shooting deaths during encounters with police and the killing of five police officers in Dallas by a sniper targeting white law enforcement officers, several of the nation's leading news organizations — The Washington Post and ABC News, the New York Times and CBS News — decided to include questions about race relations in their political polls. Among the questions: How would you describe the state of race relations? Are they getting better or worse? And should the next president focus on racial issues?