1 School of Software (School of Computer), University of South China, Hengyang, China. 2 School of Mechanical Engineering, University of South China, Hengyang, China. 3 University of South China, ...

In the spring of 1968 I was a college senior about to graduate. It was a troubled but hopeful moment to be coming into adulthood. The civil rights movement and the peace movement were converging in ...