Open this photo in gallery: The 20th century was a heyday for many North American Jewish artists. Top row, from left: Irving Berlin, Nora Ephron, Lenny Bruce, Mordecai Richler. Second row: Philip Roth, Tony Kushner, Saul Bellow, Neil Simon. Third row: Mel Brooks, Leonard Bernstein, Helen Frankenthaler and Leonard Cohen.THE NEW YORK TIMES/AP/GETTY IMAGES/REUTERS/THE GLOBE AND MAIL Noah Richler is the author of What We Talk About When We Talk About War, which was shortlisted for the Shaughnessy Cohen Prize for Political Writing and the Governor-General’s Literary Award for Non-Fiction. No matter the outcome of the war in Gaza, this...