Daniel Ellsberg, the whistleblower who leaked the Pentagon Papers in 1971, was undaunted by the challenge of finding out what the oil industry knew about carbon emissions and global warming. Ellsberg died Friday at 92.
How Daniel Ellsberg, a young war planner, became a peace activist is one of the most striking conversion stories in American history. But Ellsberg’s political and moral transformation did not happen in a vacuum. It reflected a titanic shift in public attitudes about the Vietnam War.