Bomb fail: should have brought accelerants so that the flames
(if explosion failed) would have been harder to extinguish.
Delivering a plane full of asphyxiated passengers would be pretty
notable.

Bomb win: learned this.

Bomb win: US was clueless:

"A note was released earlier this week by the Office of Intelligence and Analysis that said FBI officials "currently have no specific, credible intelligence indicating plans by al Qaeda or other terrorist groups to conduct attacks in the United States during the 2009 holiday season."