plotting an attack. >> hate crime charges. the charleston church gunman is hit with a federal indictment. what does it mean for the case? and for his possible punishment? >> trump's tone. could he rein in his impulse to bash critics if he was elected president. andersen cooper presses trump about that and the feud that forced lindsey graham to destroy his cell phone. >> lindsey graham called me a jackass. you have to fight back. >> aggressive arrest. the confrontation between a texas state trooper and the woman who later died in her jail cell. tonight we are learning about a key admission by sandra bland before she died. we want to welcome viewers in the united states and around the world. wolf blitzer is on assignment. you're in "the situation room." tonight we are tracking