Pelosi wrote in the book, Know Your Power: A Message to America's Daughters. "Daddy supported an organization called the Bergson Group, which held rallies, pageants, and parades focusing attention on the plight of European Jews during World War II and calling for the establishment of a Jewish state in Palestine, which was not yet the administration's policy."
The activism of her father - a Catholic and the son of Italian immigrants - sprang in part from his early friendships in the Jewish community, she said, adding that as a boy, he had been "a Shabbos goy" and even learned Yiddish. "His enthusiasm came from doing what he believed was right," she wrote.
A Shabbos goy, Shabbat goy or Shabbes goy is a non-Jew who performs certain types of work (melakha) which Jewish religious law (halakha) prohibits a Jew from doing on the Sabbath.
“The most dangerous man to any government is the man who is able to think things out... without regard to the prevailing superstitions and taboos. Almost inevitably he comes to the conclusion that the government he lives under is dishonest, insane, intolerable.” ~ H. L. Mencken