787 Probes All But Dismiss Battery Overcharge as Analyses Continue
Deborah Hersman, chairman of the National Transportation Board (NTSB), briefs the press in Washington, D.C., on January 24. At left stands John DeLisi, director of the NTSB office of aviation safety, and, at right, Joseph Kolly, director of the office of research engineering. (Photo: Bill Carey)
