Dentist Pleads Innocent in Wife's Death

A Georgia dentist who has been indicted for the death of his wife and the murder of a former girlfriend 14 years ago, entered a not guilty plea in his wife's death, after waiving his right to an arraignment. Barton Corbin is charged in the Dec. 4 death of his wife Jennifer, who was found shot in her bed, and also charged with the 1990 murder of Dorothy (Dolly) Hearn, who was found shot to death in her dental school apartment.