SIKESTON, Mo. — In 1942, Mable Cook was a teenager. She was standing on her front porch when she witnessed the lynching of Cleo Wright. In the aftermath, Cook received advice from her father that was intended to keep her safe. “He didn’t want us talking about it,” Cook said. “He told us to forget it.” More than 80 years later, residents of Sikeston still find it difficult to talk about the lynching. Conversations with Cook, one of the few remaining witnesses of the lynching, launch a discussion of the health consequences of racism and violence in the United States. Host Cara Anthony speaks wit…