"Son of Sam" serial killer David Berkowitz has been denied parole for the third time, with the state parole board citing concerns for public safety in refusing to release the gunman who terrorized New York City in the 1970s. The decision followed a hearing that the 53-year-old Berkowitz, imprisoned since 1978, refused to attend. The board noted his prison programming "appears commendable" while his disciplinary record the past two years contained only one report. He will be eligible for parole again in two years. "Your instant offenses obviously displayed a cold disregard for innocent human life, and the public safety...