What is a Jew? A Jew is someone who argues with God whether he believes in Him or not. The war was over long ago, but the Holocaust still lived in his family. It was the subtext of his life, the trauma that held him captive. His father the poet's song about his birth haunted him from early on. He was named Menachem, consolation . . . Above the peaks low clouds unfurl Somber, gray, they spread Like...