[…] Sanders’ education in socialism began at home, in a three-and-a-half room apartment in Flatbush, Brooklyn. His father was a paint salesman from Poland and a high school dropout, and the family lived paycheck-to-paycheck. When Sanders’ father went with his wife to see the play The Death of a Salesman, his father so identified with the underemployed Willy Loman that he broke down in tears. “The lack of money caused stress in my family and fights between my mother and father,” Sanders explained to TIME in an interview this month. “That is a reality I have never forgotten: today, there are many millions of families who are living under the circumstances that we lived under.”
Bernie’s older brother, Larry, was a student at Brooklyn College who would come home and discuss Marx and Freud with the high school kid. They talked about democracy in ancient Greece, and Larry took the young Bernie to local Democratic Party meetings. Bernie followed his older brother to Brooklyn College, but when his mother died unexpectedly young, he left Brooklyn and transferred to the University of Chicago.
In Chicago, Sanders threw himself into activism—civil rights, economic justice, volunteering, organizing. “I received more of an education off campus than I did in the classroom,” Sanders says. By his 23rd birthday, Sanders had worked for a meatpackers union, marched for civil rights in Washington D.C., joined the university socialists and been arrested at a civil rights demonstration. He delivered jeremiads to young crowds. The police called him an outside agitator, Sanders said. He was a sloppy student, and the dean asked him to take a year off. He inspired his classmates. “He knows how to talk to people now,” said Robin Kaufman, a student who knew Sanders in 1960s Chicago, “and he knew how to do it then.” He was a radical before it was cool. […]
— Sam Frizell, Time.com
Bernie Sanders has been a dyed-in-the-wool radical for a long time. Thom Hartmann comments on the Time article that covers Sanders’ early activism years.