Conversation so far:
Who was Mike Gravel's running mate in the 1972 election?
Who did Mike Gravel compete against in 1972?
Mike Gravel was not alone in this effort, as former Governor of Massachusetts Endicott Peabody had been running a quixotic campaign for the same post since the prior year.
What significant events happened during the 1972 campaign?
McGovern announced Senator Thomas Eagleton of Missouri as his vice-presidential choice. Eagleton was unknown to many delegates and the choice seemed to smack of traditional ticket balancing considerations.
What did Mike Gravel do after George McGovern announced Thomas Eagleton as his vice-presidential choice?
Mike Gravel was nominated by Bettye Fahrenkamp, the Democratic National Committeewoman from Alaska.
What was Mike Gravel nominated for?
Vice-presidential candidate
Did Mike Gravel have any enemies?
Rolling Stone correspondent Hunter S. Thompson said Mike Gravel probably said a few things that might have been worth hearing, under different circumstances.
What comments did Mike Gravel make that Rolling Stone was referring to?

Question: What else can you tell me about Gravel?
Self-contained rewrite: What else can you tell me about Mike Gravel besides his role in the 1972 vice presidential election?