U.S. targets Saddam • U.S. drops "large amount of ordnance" on neighborhood where Saddam and sons may have been meeting • U.S. officials don't know who they might have killed in strike, but believe the intelligence was very good • Attack based in part on "human" intelligence • Military: B-1 bomber dropped four 2,000-pound GBU 31/32 bombs • Sources: Blast killed 9 people, wounded 13