Sure, he was a leftist, a radical. He called himself an historian. But read on. I think there are many points of agreement between people of differing worldviews. There’s much more nuance than the left-right paradigm.
“The Declaration of Independence, revered as a document but ignored as a guide to action, needs to be read from pulpits and podiums, on street corner and community radio stations throughout the nation. It words, forgotten for over two centuries, need to become a call to action for the first time since it was read aloud to crowds in the early excited days of the American Revolution: ‘Whenever any form of government becomes destructive of these ends, it is the right of the people to alter or abolish it and institute new government.’”