First plane at north tower. Nobody expects it. An explosion.
Second plane at south tower. Nobody expects it because focused on North tower.
DC? Gimme a break. Hole in PA? Gimme a break.
Who would you tell if you saw (just an explosion)? Wolf Blitzer?
Gimme a break. No planes and its proven.
911 Taboo (physically impossible)
September Clues (Media did it)