LONDON/TOKYO (Reuters) - British police revealed on Saturday that a scientist at the center of a row over the government's justification for war in Iraq had died of a slit wrist, leaving little doubt he had taken his own life. A haggard Prime Minister Tony Blair urged the media on a visit to Tokyo to "set aside the speculation and the claims and the counter-claims" over the death of Dr David Kelly, a Defense Ministry weapons expert. Kelly was named as a possible "mole" for a news story saying aides to Blair -- who has staked his career on his...