Instructions: Given a text, write a compressed version of it in a single sentence.
Input: War is hell, he says, and when it was over, he wanted to come home and rejoin his young family and not dwell on it. He earned a doctorate in history from Stanford University and taught Latin American history at Tulane University and Arizona State University.
Output:
"War is hell," he says, and he wanted to return to his home and family, mind clear of battle. Later, after earning a PhD at Stanford, he taught at Tulane and Arizona State.