William Ayers, of Weather Underground infamy, responsible for bombings of the Pentagon, did participate in overt armed rebellion against the United States. He is also closely tied to Obama. This has been reported before, and has been tossed off by the Obama campaign like every other bit of bad political news: Minimal connection. Only a passing acquaintance. Not the man I knew.
"Far from it being a casual relationship, Obama began his political career in the home of Bill Ayers and Bernardine Dorn...
To get Obama's state senate race off to a good start, Palmer [who was vacating the seat to run for a U.S. House seat] arranged a function for a few influential liberals in the district, at the Hyde Park home of Weather Underground activists Ayers and Dorn...
...Obama and Ayers were "friends."
Obama served on the board of the Woods Fund, with Ayers as its director, from 1999 until 2002. The Woods Fund made a $40,000 grant to the Arab American Action Network (a pro-Palestinian group) in 2001, and an additional $35,000 grant in 2002.
Here's some icing on the cake: A mash note to the unrepentant attempted murderer Ayers. The story ran in the New York Times on September 11, 2001.
The book has much, much more documented evidence harmful to Obama's campaign. The hard part will be getting people to pay attention between Brad Pitt and Angelina Jolie's latest baby news, and travel advice from Matt Damon long enough to listen.