A heterodox hero and committed antiwar activist, Gravel put the Pentagon Papers in the public record.
Whistleblowers and publishers are crucial for keeping government officials reasonably honest.
The 89-year-old former senator turned heads with his unique campaign strategy.
It's an unconventional approach befitting of an unconventional presidential candidate.
Friday A/V Club: The past and possibly future presidential candidate starred in some of the greatest, strangest campaign ads ever made.