When Paul Friedman met the rag-tag youth camped out near Wall Street to protest inequality in the American economy, he felt he was witnessing the start of a protest movement not seen in America since the 1960s.

And Friedman should know. The 64-year-old was a student organizer during the anti-Vietnam War movement, protesting from 1964 for 11 years until the war ended. He also joined Civil Rights actions against racial segregation in America.