Read this:

Weatherman (organization - Wikipedia, the free encyclopedia)

ETA: There are still a lot of unanswered questions involving their relationship. Just another person in a long list of people now that Obama has had to try to downplay his relationship to.

__________________
"No one believes more firmly than Comrade Napoleon that all animals are equal. He would be only too happy to let you make your decisions for yourselves. But sometimes you might make the wrong decisions, comrades, and then where should we be?"
- George Orwell Animal Farm