The Jewish Radicals Who Wanted Equality for All

History forgets most activists, but future generations can benefit from exhuming their ideas. Take the Jewish Labor Bund, the lefty, anti-Zionist liberation party that agitated for worldwide socialism while defending its members against the scourge of antisemitism. Formed in 1897, the Bund was the largest insurgent group in the Russian Empire at the time of the 1905 revolution. After the Tsar fell, the Bund reached a new peak in the newly formed Second Polish Republic. And then it all but died,…