If you're interested in learning more facts about Sen. Barack Obama's connection with William Ayers, this National Review article is a must read.

Plus, click here (PDF) to review a shocking timeline of events for Weather Underground. It begins in 1969 as a faction of the Students for a Democratic Society organized the "Days of Rage" in Chicago. Follow news media accounts of the horrific sequence of events that ensued in the 1970s as William Ayers and Weather Underground resorted to radical tactics and extreme violence.

The question remains: how can anyone commit such a series of acts -- nothing short of domestic terrorism? How can any of our leaders tolerate such actions? And what would it say about any of us, if we didn't speak up and bring the truth to light?

If you're interested in learning more facts about Sen. Barack Obama's connection with William Ayers , this National Review article is a must read.