s kimberly dosier and "the washington post's" david ignaceous. first up, the attacks on september 11, first attacks on america since pearl harbor, were unimaginable. before that terrible day. now it's hard to imagine how much different, more confident, safer feeling, more complacent our country would be today if it weren't for that still-awesome set of attacks on september 11. we might not have gone to war in afghanistan and iraq. >> on my orders, the united states military has begun strikes against the al qaeda terrorist training camps and military installations of the taliban regime in afghanistan. >> american and coalition forces are in the early stages of military operations to disarm iraq, to free its people and to defend the world from grave danger. chris: the toll of those two wars until now. more than 6,000 americans killed. another 220,000 civilians killed in both wars. more than 100,000 americans wounded, many left with life-changing injuries. a huge share of our national debt is driven by those wars. one estimate by brown university is