Recovering the history of the revolutionary Jewish tradition Jewish radicals manned the barricades on the avenues of Petrograd and the alleys of the Warsaw ghetto; they were in the vanguard of those resisting Franco and the Nazis. They originated in Yiddishland, a vast expanse of Eastern Europe that, before the Holocaust, ran from the Baltic Sea to the western edge of Russia and incorporated hundreds of Jewish communities with a combined population of some 11 million people. Within this...